Home / 1,068,470,998.20-1,600,439,015.70-887,072,470.20

Finding the Fourth Proportional to 1,068,470,998.20, 1,600,439,015.70 and 887,072,470.20

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Solution

The fourth proportional to 1,068,470,998.20, 1,600,439,015.70 and 887,072,470.20 is: 1,328,726,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,470,998.20 : 1,600,439,015.70 = 887,072,470.20 : x
  2. Step 2: Convert to fraction form
    1,068,470,998.20/1,600,439,015.70 = 887,072,470.20/x
  3. Step 3: Cross multiply
    1,068,470,998.20x = 1,600,439,015.70 × 887,072,470.20
  4. Step 4: Simplify right side
    1,068,470,998.20x = 1,419,705,391,061,455,616
  5. Step 5: Solve for x
    x = 1,419,705,391,061,455,616/1,068,470,998.20
  6. Step 6: Final answer
    x = 1,328,726,182.98

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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.