Home / 1,227,062,056.70-1,693,387,420.54-725,700,617.30

Finding the Fourth Proportional to 1,227,062,056.70, 1,693,387,420.54 and 725,700,617.30

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Solution

The fourth proportional to 1,227,062,056.70, 1,693,387,420.54 and 725,700,617.30 is: 1,001,491,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,062,056.70 : 1,693,387,420.54 = 725,700,617.30 : x
  2. Step 2: Convert to fraction form
    1,227,062,056.70/1,693,387,420.54 = 725,700,617.30/x
  3. Step 3: Cross multiply
    1,227,062,056.70x = 1,693,387,420.54 × 725,700,617.30
  4. Step 4: Simplify right side
    1,227,062,056.70x = 1,228,892,296,413,932,544
  5. Step 5: Solve for x
    x = 1,228,892,296,413,932,544/1,227,062,056.70
  6. Step 6: Final answer
    x = 1,001,491,562.47

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Double scale
Find fourth proportional to 1,227,062,057.70, 1,693,387,421.92 and 725,700,618.30
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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.