Home / 399,418,264.07-551,197,951.20-223,206,259.63

Finding the Fourth Proportional to 399,418,264.07, 551,197,951.20 and 223,206,259.63

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Solution

The fourth proportional to 399,418,264.07, 551,197,951.20 and 223,206,259.63 is: 308,025,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,418,264.07 : 551,197,951.20 = 223,206,259.63 : x
  2. Step 2: Convert to fraction form
    399,418,264.07/551,197,951.20 = 223,206,259.63/x
  3. Step 3: Cross multiply
    399,418,264.07x = 551,197,951.20 × 223,206,259.63
  4. Step 4: Simplify right side
    399,418,264.07x = 123,030,833,001,693,280
  5. Step 5: Solve for x
    x = 123,030,833,001,693,280/399,418,264.07
  6. Step 6: Final answer
    x = 308,025,055.61

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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.