Home / 616,993,648.79-851,466,901.41-338,535,098.51

Finding the Fourth Proportional to 616,993,648.79, 851,466,901.41 and 338,535,098.51

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Solution

The fourth proportional to 616,993,648.79, 851,466,901.41 and 338,535,098.51 is: 467,187,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,993,648.79 : 851,466,901.41 = 338,535,098.51 : x
  2. Step 2: Convert to fraction form
    616,993,648.79/851,466,901.41 = 338,535,098.51/x
  3. Step 3: Cross multiply
    616,993,648.79x = 851,466,901.41 × 338,535,098.51
  4. Step 4: Simplify right side
    616,993,648.79x = 288,251,431,342,581,440
  5. Step 5: Solve for x
    x = 288,251,431,342,581,440/616,993,648.79
  6. Step 6: Final answer
    x = 467,187,031.68

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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.