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Finding the Fourth Proportional to 591,981,929.80, 887,972,894.70 and 582,912,003.40

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Solution

The fourth proportional to 591,981,929.80, 887,972,894.70 and 582,912,003.40 is: 874,368,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,981,929.80 : 887,972,894.70 = 582,912,003.40 : x
  2. Step 2: Convert to fraction form
    591,981,929.80/887,972,894.70 = 582,912,003.40/x
  3. Step 3: Cross multiply
    591,981,929.80x = 887,972,894.70 × 582,912,003.40
  4. Step 4: Simplify right side
    591,981,929.80x = 517,610,059,014,474,240
  5. Step 5: Solve for x
    x = 517,610,059,014,474,240/591,981,929.80
  6. Step 6: Final answer
    x = 874,368,005.10

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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.