Home / 730,771,925.16-1,008,464,177.66-396,243,839.73

Finding the Fourth Proportional to 730,771,925.16, 1,008,464,177.66 and 396,243,839.73

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Solution

The fourth proportional to 730,771,925.16, 1,008,464,177.66 and 396,243,839.73 is: 546,815,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,771,925.16 : 1,008,464,177.66 = 396,243,839.73 : x
  2. Step 2: Convert to fraction form
    730,771,925.16/1,008,464,177.66 = 396,243,839.73/x
  3. Step 3: Cross multiply
    730,771,925.16x = 1,008,464,177.66 × 396,243,839.73
  4. Step 4: Simplify right side
    730,771,925.16x = 399,597,717,984,174,080
  5. Step 5: Solve for x
    x = 399,597,717,984,174,080/730,771,925.16
  6. Step 6: Final answer
    x = 546,815,913.73

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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.