Home / 440,340,045.10-660,510,067.65-133,631,665.90

Finding the Fourth Proportional to 440,340,045.10, 660,510,067.65 and 133,631,665.90

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Solution

The fourth proportional to 440,340,045.10, 660,510,067.65 and 133,631,665.90 is: 200,447,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,340,045.10 : 660,510,067.65 = 133,631,665.90 : x
  2. Step 2: Convert to fraction form
    440,340,045.10/660,510,067.65 = 133,631,665.90/x
  3. Step 3: Cross multiply
    440,340,045.10x = 660,510,067.65 × 133,631,665.90
  4. Step 4: Simplify right side
    440,340,045.10x = 88,265,060,683,791,200
  5. Step 5: Solve for x
    x = 88,265,060,683,791,200/440,340,045.10
  6. Step 6: Final answer
    x = 200,447,498.85

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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.