Home / 807,178,217.08-1,113,905,933.01-435,900,215.65

Finding the Fourth Proportional to 807,178,217.08, 1,113,905,933.01 and 435,900,215.65

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Solution

The fourth proportional to 807,178,217.08, 1,113,905,933.01 and 435,900,215.65 is: 601,542,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,178,217.08 : 1,113,905,933.01 = 435,900,215.65 : x
  2. Step 2: Convert to fraction form
    807,178,217.08/1,113,905,933.01 = 435,900,215.65/x
  3. Step 3: Cross multiply
    807,178,217.08x = 1,113,905,933.01 × 435,900,215.65
  4. Step 4: Simplify right side
    807,178,217.08x = 485,551,836,405,124,480
  5. Step 5: Solve for x
    x = 485,551,836,405,124,480/807,178,217.08
  6. Step 6: Final answer
    x = 601,542,294.05

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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.