Home / 984,514,660.11-1,358,575,279.38-538,389,988.11

Finding the Fourth Proportional to 984,514,660.11, 1,358,575,279.38 and 538,389,988.11

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Solution

The fourth proportional to 984,514,660.11, 1,358,575,279.38 and 538,389,988.11 is: 742,948,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,514,660.11 : 1,358,575,279.38 = 538,389,988.11 : x
  2. Step 2: Convert to fraction form
    984,514,660.11/1,358,575,279.38 = 538,389,988.11/x
  3. Step 3: Cross multiply
    984,514,660.11x = 1,358,575,279.38 × 538,389,988.11
  4. Step 4: Simplify right side
    984,514,660.11x = 731,443,328,511,938,176
  5. Step 5: Solve for x
    x = 731,443,328,511,938,176/984,514,660.11
  6. Step 6: Final answer
    x = 742,948,132.87

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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.