Home / 861,053,222.40-1,291,982,947.20-376,316,044.80

Finding the Fourth Proportional to 861,053,222.40, 1,291,982,947.20 and 376,316,044.80

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Solution

The fourth proportional to 861,053,222.40, 1,291,982,947.20 and 376,316,044.80 is: 564,650,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,053,222.40 : 1,291,982,947.20 = 376,316,044.80 : x
  2. Step 2: Convert to fraction form
    861,053,222.40/1,291,982,947.20 = 376,316,044.80/x
  3. Step 3: Cross multiply
    861,053,222.40x = 1,291,982,947.20 × 376,316,044.80
  4. Step 4: Simplify right side
    861,053,222.40x = 486,193,912,639,351,296
  5. Step 5: Solve for x
    x = 486,193,912,639,351,296/861,053,222.40
  6. Step 6: Final answer
    x = 564,650,244.60

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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.