Home / 391,224,096.47-539,895,554.73-223,959,684.74

Finding the Fourth Proportional to 391,224,096.47, 539,895,554.73 and 223,959,684.74

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Solution

The fourth proportional to 391,224,096.47, 539,895,554.73 and 223,959,684.74 is: 309,067,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,224,096.47 : 539,895,554.73 = 223,959,684.74 : x
  2. Step 2: Convert to fraction form
    391,224,096.47/539,895,554.73 = 223,959,684.74/x
  3. Step 3: Cross multiply
    391,224,096.47x = 539,895,554.73 × 223,959,684.74
  4. Step 4: Simplify right side
    391,224,096.47x = 120,914,838,227,158,752
  5. Step 5: Solve for x
    x = 120,914,838,227,158,752/391,224,096.47
  6. Step 6: Final answer
    x = 309,067,972.35

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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.