Home / 363,399,102.90-501,488,210.85-198,386,672.40

Finding the Fourth Proportional to 363,399,102.90, 501,488,210.85 and 198,386,672.40

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Solution

The fourth proportional to 363,399,102.90, 501,488,210.85 and 198,386,672.40 is: 273,772,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,399,102.90 : 501,488,210.85 = 198,386,672.40 : x
  2. Step 2: Convert to fraction form
    363,399,102.90/501,488,210.85 = 198,386,672.40/x
  3. Step 3: Cross multiply
    363,399,102.90x = 501,488,210.85 × 198,386,672.40
  4. Step 4: Simplify right side
    363,399,102.90x = 99,488,577,398,361,088
  5. Step 5: Solve for x
    x = 99,488,577,398,361,088/363,399,102.90
  6. Step 6: Final answer
    x = 273,772,215.19

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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.