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Finding the Fourth Proportional to 881,951,817.03, 1,323,847,059.03 and 391,009,860.72

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Solution

The fourth proportional to 881,951,817.03, 1,323,847,059.03 and 391,009,860.72 is: 586,922,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,951,817.03 : 1,323,847,059.03 = 391,009,860.72 : x
  2. Step 2: Convert to fraction form
    881,951,817.03/1,323,847,059.03 = 391,009,860.72/x
  3. Step 3: Cross multiply
    881,951,817.03x = 1,323,847,059.03 × 391,009,860.72
  4. Step 4: Simplify right side
    881,951,817.03x = 517,637,254,165,901,952
  5. Step 5: Solve for x
    x = 517,637,254,165,901,952/881,951,817.03
  6. Step 6: Final answer
    x = 586,922,373.96

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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.