Home / 866,145,472.59-1,298,699,358.86-275,680,658.63

Finding the Fourth Proportional to 866,145,472.59, 1,298,699,358.86 and 275,680,658.63

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Solution

The fourth proportional to 866,145,472.59, 1,298,699,358.86 and 275,680,658.63 is: 413,355,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,145,472.59 : 1,298,699,358.86 = 275,680,658.63 : x
  2. Step 2: Convert to fraction form
    866,145,472.59/1,298,699,358.86 = 275,680,658.63/x
  3. Step 3: Cross multiply
    866,145,472.59x = 1,298,699,358.86 × 275,680,658.63
  4. Step 4: Simplify right side
    866,145,472.59x = 358,026,294,616,819,456
  5. Step 5: Solve for x
    x = 358,026,294,616,819,456/866,145,472.59
  6. Step 6: Final answer
    x = 413,355,846.04

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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.