Home / 1,310,536,250.43-1,965,811,724.91-437,135,221.01

Finding the Fourth Proportional to 1,310,536,250.43, 1,965,811,724.91 and 437,135,221.01

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Solution

The fourth proportional to 1,310,536,250.43, 1,965,811,724.91 and 437,135,221.01 is: 655,705,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,250.43 : 1,965,811,724.91 = 437,135,221.01 : x
  2. Step 2: Convert to fraction form
    1,310,536,250.43/1,965,811,724.91 = 437,135,221.01/x
  3. Step 3: Cross multiply
    1,310,536,250.43x = 1,965,811,724.91 × 437,135,221.01
  4. Step 4: Simplify right side
    1,310,536,250.43x = 859,325,542,822,753,152
  5. Step 5: Solve for x
    x = 859,325,542,822,753,152/1,310,536,250.43
  6. Step 6: Final answer
    x = 655,705,282.89

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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.