Home / 468,231,764.52-646,129,532.43-256,538,305.02

Finding the Fourth Proportional to 468,231,764.52, 646,129,532.43 and 256,538,305.02

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Solution

The fourth proportional to 468,231,764.52, 646,129,532.43 and 256,538,305.02 is: 354,006,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,231,764.52 : 646,129,532.43 = 256,538,305.02 : x
  2. Step 2: Convert to fraction form
    468,231,764.52/646,129,532.43 = 256,538,305.02/x
  3. Step 3: Cross multiply
    468,231,764.52x = 646,129,532.43 × 256,538,305.02
  4. Step 4: Simplify right side
    468,231,764.52x = 165,756,975,072,957,312
  5. Step 5: Solve for x
    x = 165,756,975,072,957,312/468,231,764.52
  6. Step 6: Final answer
    x = 354,006,258.51

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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.