Home / 1,227,062,060.95-1,693,387,426.40-725,700,621.55

Finding the Fourth Proportional to 1,227,062,060.95, 1,693,387,426.40 and 725,700,621.55

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Solution

The fourth proportional to 1,227,062,060.95, 1,693,387,426.40 and 725,700,621.55 is: 1,001,491,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,062,060.95 : 1,693,387,426.40 = 725,700,621.55 : x
  2. Step 2: Convert to fraction form
    1,227,062,060.95/1,693,387,426.40 = 725,700,621.55/x
  3. Step 3: Cross multiply
    1,227,062,060.95x = 1,693,387,426.40 × 725,700,621.55
  4. Step 4: Simplify right side
    1,227,062,060.95x = 1,228,892,307,863,434,752
  5. Step 5: Solve for x
    x = 1,228,892,307,863,434,752/1,227,062,060.95
  6. Step 6: Final answer
    x = 1,001,491,568.33

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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.