Home / 1,055,131,143.40-1,581,959,435.10-624,087,764.20

Finding the Fourth Proportional to 1,055,131,143.40, 1,581,959,435.10 and 624,087,764.20

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Solution

The fourth proportional to 1,055,131,143.40, 1,581,959,435.10 and 624,087,764.20 is: 935,695,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,131,143.40 : 1,581,959,435.10 = 624,087,764.20 : x
  2. Step 2: Convert to fraction form
    1,055,131,143.40/1,581,959,435.10 = 624,087,764.20/x
  3. Step 3: Cross multiply
    1,055,131,143.40x = 1,581,959,435.10 × 624,087,764.20
  4. Step 4: Simplify right side
    1,055,131,143.40x = 987,281,526,906,654,080
  5. Step 5: Solve for x
    x = 987,281,526,906,654,080/1,055,131,143.40
  6. Step 6: Final answer
    x = 935,695,560.77

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Half scale
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Double scale
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Similar ratio
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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.