Home / 3,928,445,160.30-5,420,445,042.36-2,257,371,451.08

Finding the Fourth Proportional to 3,928,445,160.30, 5,420,445,042.36 and 2,257,371,451.08

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Solution

The fourth proportional to 3,928,445,160.30, 5,420,445,042.36 and 2,257,371,451.08 is: 3,114,707,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,445,160.30 : 5,420,445,042.36 = 2,257,371,451.08 : x
  2. Step 2: Convert to fraction form
    3,928,445,160.30/5,420,445,042.36 = 2,257,371,451.08/x
  3. Step 3: Cross multiply
    3,928,445,160.30x = 5,420,445,042.36 × 2,257,371,451.08
  4. Step 4: Simplify right side
    3,928,445,160.30x = 12,235,957,890,771,585,024
  5. Step 5: Solve for x
    x = 12,235,957,890,771,585,024/3,928,445,160.30
  6. Step 6: Final answer
    x = 3,114,707,572.97

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1.5x scale

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.