Home / 539,096,930.40-808,645,395.60-517,933,768.80

Finding the Fourth Proportional to 539,096,930.40, 808,645,395.60 and 517,933,768.80

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Solution

The fourth proportional to 539,096,930.40, 808,645,395.60 and 517,933,768.80 is: 776,900,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,096,930.40 : 808,645,395.60 = 517,933,768.80 : x
  2. Step 2: Convert to fraction form
    539,096,930.40/808,645,395.60 = 517,933,768.80/x
  3. Step 3: Cross multiply
    539,096,930.40x = 808,645,395.60 × 517,933,768.80
  4. Step 4: Simplify right side
    539,096,930.40x = 418,824,757,365,874,944
  5. Step 5: Solve for x
    x = 418,824,757,365,874,944/539,096,930.40
  6. Step 6: Final answer
    x = 776,900,653.20

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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.