Home / 431,676,368.10-647,514,552.15-302,429,916.90

Finding the Fourth Proportional to 431,676,368.10, 647,514,552.15 and 302,429,916.90

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Solution

The fourth proportional to 431,676,368.10, 647,514,552.15 and 302,429,916.90 is: 453,644,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,676,368.10 : 647,514,552.15 = 302,429,916.90 : x
  2. Step 2: Convert to fraction form
    431,676,368.10/647,514,552.15 = 302,429,916.90/x
  3. Step 3: Cross multiply
    431,676,368.10x = 647,514,552.15 × 302,429,916.90
  4. Step 4: Simplify right side
    431,676,368.10x = 195,827,772,198,265,184
  5. Step 5: Solve for x
    x = 195,827,772,198,265,184/431,676,368.10
  6. Step 6: Final answer
    x = 453,644,875.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.