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Finding the Fourth Proportional to 591,982,055.80, 887,973,083.70 and 582,912,129.40

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Solution

The fourth proportional to 591,982,055.80, 887,973,083.70 and 582,912,129.40 is: 874,368,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,982,055.80 : 887,973,083.70 = 582,912,129.40 : x
  2. Step 2: Convert to fraction form
    591,982,055.80/887,973,083.70 = 582,912,129.40/x
  3. Step 3: Cross multiply
    591,982,055.80x = 887,973,083.70 × 582,912,129.40
  4. Step 4: Simplify right side
    591,982,055.80x = 517,610,281,069,451,456
  5. Step 5: Solve for x
    x = 517,610,281,069,451,456/591,982,055.80
  6. Step 6: Final answer
    x = 874,368,194.10

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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.