Home / 843,661,781.27-1,265,031,342.35-669,901,001.56

Finding the Fourth Proportional to 843,661,781.27, 1,265,031,342.35 and 669,901,001.56

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Solution

The fourth proportional to 843,661,781.27, 1,265,031,342.35 and 669,901,001.56 is: 1,004,485,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,661,781.27 : 1,265,031,342.35 = 669,901,001.56 : x
  2. Step 2: Convert to fraction form
    843,661,781.27/1,265,031,342.35 = 669,901,001.56/x
  3. Step 3: Cross multiply
    843,661,781.27x = 1,265,031,342.35 × 669,901,001.56
  4. Step 4: Simplify right side
    843,661,781.27x = 847,445,763,238,731,008
  5. Step 5: Solve for x
    x = 847,445,763,238,731,008/843,661,781.27
  6. Step 6: Final answer
    x = 1,004,485,188.32

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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.