Home / 403,152,569.62-556,063,842.51-269,123,001.80

Finding the Fourth Proportional to 403,152,569.62, 556,063,842.51 and 269,123,001.80

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Solution

The fourth proportional to 403,152,569.62, 556,063,842.51 and 269,123,001.80 is: 371,198,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,152,569.62 : 556,063,842.51 = 269,123,001.80 : x
  2. Step 2: Convert to fraction form
    403,152,569.62/556,063,842.51 = 269,123,001.80/x
  3. Step 3: Cross multiply
    403,152,569.62x = 556,063,842.51 × 269,123,001.80
  4. Step 4: Simplify right side
    403,152,569.62x = 149,649,570,485,953,344
  5. Step 5: Solve for x
    x = 149,649,570,485,953,344/403,152,569.62
  6. Step 6: Final answer
    x = 371,198,354.58

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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.