Home / 1,038,272,205.11-1,432,815,527.40-561,962,492.69

Finding the Fourth Proportional to 1,038,272,205.11, 1,432,815,527.40 and 561,962,492.69

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Solution

The fourth proportional to 1,038,272,205.11, 1,432,815,527.40 and 561,962,492.69 is: 775,508,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,272,205.11 : 1,432,815,527.40 = 561,962,492.69 : x
  2. Step 2: Convert to fraction form
    1,038,272,205.11/1,432,815,527.40 = 561,962,492.69/x
  3. Step 3: Cross multiply
    1,038,272,205.11x = 1,432,815,527.40 × 561,962,492.69
  4. Step 4: Simplify right side
    1,038,272,205.11x = 805,188,585,342,641,152
  5. Step 5: Solve for x
    x = 805,188,585,342,641,152/1,038,272,205.11
  6. Step 6: Final answer
    x = 775,508,177.32

Related Problems

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Half scale
Find fourth proportional to 2,076,544,410.22, 2,865,631,054.80 and 1,123,924,985.38
Double scale
Find fourth proportional to 1,038,272,206.11, 1,432,815,528.78 and 561,962,493.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.