Home / 412,345,695.10-618,518,542.65-182,196,312.70

Finding the Fourth Proportional to 412,345,695.10, 618,518,542.65 and 182,196,312.70

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Solution

The fourth proportional to 412,345,695.10, 618,518,542.65 and 182,196,312.70 is: 273,294,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,345,695.10 : 618,518,542.65 = 182,196,312.70 : x
  2. Step 2: Convert to fraction form
    412,345,695.10/618,518,542.65 = 182,196,312.70/x
  3. Step 3: Cross multiply
    412,345,695.10x = 618,518,542.65 × 182,196,312.70
  4. Step 4: Simplify right side
    412,345,695.10x = 112,691,797,807,407,680
  5. Step 5: Solve for x
    x = 112,691,797,807,407,680/412,345,695.10
  6. Step 6: Final answer
    x = 273,294,469.05

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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.