Home / 1,310,536,061.24-1,965,811,440.56-437,135,031.86

Finding the Fourth Proportional to 1,310,536,061.24, 1,965,811,440.56 and 437,135,031.86

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Solution

The fourth proportional to 1,310,536,061.24, 1,965,811,440.56 and 437,135,031.86 is: 655,704,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,061.24 : 1,965,811,440.56 = 437,135,031.86 : x
  2. Step 2: Convert to fraction form
    1,310,536,061.24/1,965,811,440.56 = 437,135,031.86/x
  3. Step 3: Cross multiply
    1,310,536,061.24x = 1,965,811,440.56 × 437,135,031.86
  4. Step 4: Simplify right side
    1,310,536,061.24x = 859,325,046,687,933,440
  5. Step 5: Solve for x
    x = 859,325,046,687,933,440/1,310,536,061.24
  6. Step 6: Final answer
    x = 655,704,998.97

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Double scale
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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.