Home / 265,721,000.10-398,581,500.15-223,630,872.90

Finding the Fourth Proportional to 265,721,000.10, 398,581,500.15 and 223,630,872.90

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Solution

The fourth proportional to 265,721,000.10, 398,581,500.15 and 223,630,872.90 is: 335,446,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,000.10 : 398,581,500.15 = 223,630,872.90 : x
  2. Step 2: Convert to fraction form
    265,721,000.10/398,581,500.15 = 223,630,872.90/x
  3. Step 3: Cross multiply
    265,721,000.10x = 398,581,500.15 × 223,630,872.90
  4. Step 4: Simplify right side
    265,721,000.10x = 89,135,128,800,335,984
  5. Step 5: Solve for x
    x = 89,135,128,800,335,984/265,721,000.10
  6. Step 6: Final answer
    x = 335,446,309.35

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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.