Home / 1,227,062,060.70-1,693,387,426.06-725,700,621.30

Finding the Fourth Proportional to 1,227,062,060.70, 1,693,387,426.06 and 725,700,621.30

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Solution

The fourth proportional to 1,227,062,060.70, 1,693,387,426.06 and 725,700,621.30 is: 1,001,491,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,062,060.70 : 1,693,387,426.06 = 725,700,621.30 : x
  2. Step 2: Convert to fraction form
    1,227,062,060.70/1,693,387,426.06 = 725,700,621.30/x
  3. Step 3: Cross multiply
    1,227,062,060.70x = 1,693,387,426.06 × 725,700,621.30
  4. Step 4: Simplify right side
    1,227,062,060.70x = 1,228,892,307,193,349,632
  5. Step 5: Solve for x
    x = 1,228,892,307,193,349,632/1,227,062,060.70
  6. Step 6: Final answer
    x = 1,001,491,567.99

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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.