Home / 717,123,434.01-989,632,388.25-415,767,310.44

Finding the Fourth Proportional to 717,123,434.01, 989,632,388.25 and 415,767,310.44

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Solution

The fourth proportional to 717,123,434.01, 989,632,388.25 and 415,767,310.44 is: 573,760,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,123,434.01 : 989,632,388.25 = 415,767,310.44 : x
  2. Step 2: Convert to fraction form
    717,123,434.01/989,632,388.25 = 415,767,310.44/x
  3. Step 3: Cross multiply
    717,123,434.01x = 989,632,388.25 × 415,767,310.44
  4. Step 4: Simplify right side
    717,123,434.01x = 411,456,796,387,016,384
  5. Step 5: Solve for x
    x = 411,456,796,387,016,384/717,123,434.01
  6. Step 6: Final answer
    x = 573,760,076.54

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Double scale
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1.5x scale

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.