Home / 1,540,295,615.20-2,309,864,348.92-557,479,335.28

Finding the Fourth Proportional to 1,540,295,615.20, 2,309,864,348.92 and 557,479,335.28

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Solution

The fourth proportional to 1,540,295,615.20, 2,309,864,348.92 and 557,479,335.28 is: 836,009,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,295,615.20 : 2,309,864,348.92 = 557,479,335.28 : x
  2. Step 2: Convert to fraction form
    1,540,295,615.20/2,309,864,348.92 = 557,479,335.28/x
  3. Step 3: Cross multiply
    1,540,295,615.20x = 2,309,864,348.92 × 557,479,335.28
  4. Step 4: Simplify right side
    1,540,295,615.20x = 1,287,701,641,822,891,520
  5. Step 5: Solve for x
    x = 1,287,701,641,822,891,520/1,540,295,615.20
  6. Step 6: Final answer
    x = 836,009,418.66

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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.