Home / 426,465,006.90-588,612,634.32-292,685,925.30

Finding the Fourth Proportional to 426,465,006.90, 588,612,634.32 and 292,685,925.30

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Solution

The fourth proportional to 426,465,006.90, 588,612,634.32 and 292,685,925.30 is: 403,968,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,465,006.90 : 588,612,634.32 = 292,685,925.30 : x
  2. Step 2: Convert to fraction form
    426,465,006.90/588,612,634.32 = 292,685,925.30/x
  3. Step 3: Cross multiply
    426,465,006.90x = 588,612,634.32 × 292,685,925.30
  4. Step 4: Simplify right side
    426,465,006.90x = 172,278,633,519,219,744
  5. Step 5: Solve for x
    x = 172,278,633,519,219,744/426,465,006.90
  6. Step 6: Final answer
    x = 403,968,979.24

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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.