Home / 1,086,154,138.71-1,499,050,655.73-609,897,972.15

Finding the Fourth Proportional to 1,086,154,138.71, 1,499,050,655.73 and 609,897,972.15

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Solution

The fourth proportional to 1,086,154,138.71, 1,499,050,655.73 and 609,897,972.15 is: 841,747,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,154,138.71 : 1,499,050,655.73 = 609,897,972.15 : x
  2. Step 2: Convert to fraction form
    1,086,154,138.71/1,499,050,655.73 = 609,897,972.15/x
  3. Step 3: Cross multiply
    1,086,154,138.71x = 1,499,050,655.73 × 609,897,972.15
  4. Step 4: Simplify right side
    1,086,154,138.71x = 914,267,955,079,854,720
  5. Step 5: Solve for x
    x = 914,267,955,079,854,720/1,086,154,138.71
  6. Step 6: Final answer
    x = 841,747,890.56

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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.