Home / 1,240,327,218.52-1,711,113,772.62-738,254,459.80

Finding the Fourth Proportional to 1,240,327,218.52, 1,711,113,772.62 and 738,254,459.80

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Solution

The fourth proportional to 1,240,327,218.52, 1,711,113,772.62 and 738,254,459.80 is: 1,018,471,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,327,218.52 : 1,711,113,772.62 = 738,254,459.80 : x
  2. Step 2: Convert to fraction form
    1,240,327,218.52/1,711,113,772.62 = 738,254,459.80/x
  3. Step 3: Cross multiply
    1,240,327,218.52x = 1,711,113,772.62 × 738,254,459.80
  4. Step 4: Simplify right side
    1,240,327,218.52x = 1,263,237,373,861,917,952
  5. Step 5: Solve for x
    x = 1,263,237,373,861,917,952/1,240,327,218.52
  6. Step 6: Final answer
    x = 1,018,471,057.48

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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.