Home / 1,042,472,169.90-1,438,639,688.10-613,339,414.26

Finding the Fourth Proportional to 1,042,472,169.90, 1,438,639,688.10 and 613,339,414.26

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Solution

The fourth proportional to 1,042,472,169.90, 1,438,639,688.10 and 613,339,414.26 is: 846,424,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,472,169.90 : 1,438,639,688.10 = 613,339,414.26 : x
  2. Step 2: Convert to fraction form
    1,042,472,169.90/1,438,639,688.10 = 613,339,414.26/x
  3. Step 3: Cross multiply
    1,042,472,169.90x = 1,438,639,688.10 × 613,339,414.26
  4. Step 4: Simplify right side
    1,042,472,169.90x = 882,374,423,630,443,008
  5. Step 5: Solve for x
    x = 882,374,423,630,443,008/1,042,472,169.90
  6. Step 6: Final answer
    x = 846,424,920.60

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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.