Home / 939,780,824.40-1,409,671,236.60-572,448,805.20

Finding the Fourth Proportional to 939,780,824.40, 1,409,671,236.60 and 572,448,805.20

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Solution

The fourth proportional to 939,780,824.40, 1,409,671,236.60 and 572,448,805.20 is: 858,673,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,780,824.40 : 1,409,671,236.60 = 572,448,805.20 : x
  2. Step 2: Convert to fraction form
    939,780,824.40/1,409,671,236.60 = 572,448,805.20/x
  3. Step 3: Cross multiply
    939,780,824.40x = 1,409,671,236.60 × 572,448,805.20
  4. Step 4: Simplify right side
    939,780,824.40x = 806,964,615,116,476,544
  5. Step 5: Solve for x
    x = 806,964,615,116,476,544/939,780,824.40
  6. Step 6: Final answer
    x = 858,673,207.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.