Home / 1,227,062,054.70-1,693,387,417.77-725,700,615.30

Finding the Fourth Proportional to 1,227,062,054.70, 1,693,387,417.77 and 725,700,615.30

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Solution

The fourth proportional to 1,227,062,054.70, 1,693,387,417.77 and 725,700,615.30 is: 1,001,491,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,062,054.70 : 1,693,387,417.77 = 725,700,615.30 : x
  2. Step 2: Convert to fraction form
    1,227,062,054.70/1,693,387,417.77 = 725,700,615.30/x
  3. Step 3: Cross multiply
    1,227,062,054.70x = 1,693,387,417.77 × 725,700,615.30
  4. Step 4: Simplify right side
    1,227,062,054.70x = 1,228,892,291,016,967,168
  5. Step 5: Solve for x
    x = 1,228,892,291,016,967,168/1,227,062,054.70
  6. Step 6: Final answer
    x = 1,001,491,559.71

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Half scale
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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.