Home / 756,135,616.60-1,134,203,424.90-665,436,352.60

Finding the Fourth Proportional to 756,135,616.60, 1,134,203,424.90 and 665,436,352.60

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Solution

The fourth proportional to 756,135,616.60, 1,134,203,424.90 and 665,436,352.60 is: 998,154,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,135,616.60 : 1,134,203,424.90 = 665,436,352.60 : x
  2. Step 2: Convert to fraction form
    756,135,616.60/1,134,203,424.90 = 665,436,352.60/x
  3. Step 3: Cross multiply
    756,135,616.60x = 1,134,203,424.90 × 665,436,352.60
  4. Step 4: Simplify right side
    756,135,616.60x = 754,740,190,171,884,160
  5. Step 5: Solve for x
    x = 754,740,190,171,884,160/756,135,616.60
  6. Step 6: Final answer
    x = 998,154,528.90

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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.