Home / 461,005,991.38-636,190,184.85-249,312,821.97

Finding the Fourth Proportional to 461,005,991.38, 636,190,184.85 and 249,312,821.97

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Solution

The fourth proportional to 461,005,991.38, 636,190,184.85 and 249,312,821.97 is: 344,052,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,005,991.38 : 636,190,184.85 = 249,312,821.97 : x
  2. Step 2: Convert to fraction form
    461,005,991.38/636,190,184.85 = 249,312,821.97/x
  3. Step 3: Cross multiply
    461,005,991.38x = 636,190,184.85 × 249,312,821.97
  4. Step 4: Simplify right side
    461,005,991.38x = 158,610,370,296,020,256
  5. Step 5: Solve for x
    x = 158,610,370,296,020,256/461,005,991.38
  6. Step 6: Final answer
    x = 344,052,730.90

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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.