Home / 338,501,470.50-466,934,117.13-212,854,810.38

Finding the Fourth Proportional to 338,501,470.50, 466,934,117.13 and 212,854,810.38

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Solution

The fourth proportional to 338,501,470.50, 466,934,117.13 and 212,854,810.38 is: 293,615,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,501,470.50 : 466,934,117.13 = 212,854,810.38 : x
  2. Step 2: Convert to fraction form
    338,501,470.50/466,934,117.13 = 212,854,810.38/x
  3. Step 3: Cross multiply
    338,501,470.50x = 466,934,117.13 × 212,854,810.38
  4. Step 4: Simplify right side
    338,501,470.50x = 99,389,172,961,658,864
  5. Step 5: Solve for x
    x = 99,389,172,961,658,864/338,501,470.50
  6. Step 6: Final answer
    x = 293,615,188.18

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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.