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Finding the Fourth Proportional to 971,052,562.60, 1,456,578,843.90 and 882,620,780.20

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Solution

The fourth proportional to 971,052,562.60, 1,456,578,843.90 and 882,620,780.20 is: 1,323,931,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,052,562.60 : 1,456,578,843.90 = 882,620,780.20 : x
  2. Step 2: Convert to fraction form
    971,052,562.60/1,456,578,843.90 = 882,620,780.20/x
  3. Step 3: Cross multiply
    971,052,562.60x = 1,456,578,843.90 × 882,620,780.20
  4. Step 4: Simplify right side
    971,052,562.60x = 1,285,606,755,625,832,192
  5. Step 5: Solve for x
    x = 1,285,606,755,625,832,192/971,052,562.60
  6. Step 6: Final answer
    x = 1,323,931,170.30

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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.