Home / 865,754,445.26-1,194,709,126.20-469,268,921.94

Finding the Fourth Proportional to 865,754,445.26, 1,194,709,126.20 and 469,268,921.94

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Solution

The fourth proportional to 865,754,445.26, 1,194,709,126.20 and 469,268,921.94 is: 647,573,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,445.26 : 1,194,709,126.20 = 469,268,921.94 : x
  2. Step 2: Convert to fraction form
    865,754,445.26/1,194,709,126.20 = 469,268,921.94/x
  3. Step 3: Cross multiply
    865,754,445.26x = 1,194,709,126.20 × 469,268,921.94
  4. Step 4: Simplify right side
    865,754,445.26x = 560,639,863,683,753,408
  5. Step 5: Solve for x
    x = 560,639,863,683,753,408/865,754,445.26
  6. Step 6: Final answer
    x = 647,573,762.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.