Home / 746,291,178.34-1,029,912,975-411,785,400.38

Finding the Fourth Proportional to 746,291,178.34, 1,029,912,975 and 411,785,400.38

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Solution

The fourth proportional to 746,291,178.34, 1,029,912,975 and 411,785,400.38 is: 568,281,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,291,178.34 : 1,029,912,975 = 411,785,400.38 : x
  2. Step 2: Convert to fraction form
    746,291,178.34/1,029,912,975 = 411,785,400.38/x
  3. Step 3: Cross multiply
    746,291,178.34x = 1,029,912,975 × 411,785,400.38
  4. Step 4: Simplify right side
    746,291,178.34x = 424,103,126,761,782,336
  5. Step 5: Solve for x
    x = 424,103,126,761,782,336/746,291,178.34
  6. Step 6: Final answer
    x = 568,281,039.72

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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.