Home / 1,591,485,125.70-2,387,227,688.55-719,789,025.45

Finding the Fourth Proportional to 1,591,485,125.70, 2,387,227,688.55 and 719,789,025.45

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Solution

The fourth proportional to 1,591,485,125.70, 2,387,227,688.55 and 719,789,025.45 is: 1,079,683,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,485,125.70 : 2,387,227,688.55 = 719,789,025.45 : x
  2. Step 2: Convert to fraction form
    1,591,485,125.70/2,387,227,688.55 = 719,789,025.45/x
  3. Step 3: Cross multiply
    1,591,485,125.70x = 2,387,227,688.55 × 719,789,025.45
  4. Step 4: Simplify right side
    1,591,485,125.70x = 1,718,300,291,468,660,992
  5. Step 5: Solve for x
    x = 1,718,300,291,468,660,992/1,591,485,125.70
  6. Step 6: Final answer
    x = 1,079,683,538.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.