Home / 469,341,306.72-647,686,242.72-260,499,252.96

Finding the Fourth Proportional to 469,341,306.72, 647,686,242.72 and 260,499,252.96

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Solution

The fourth proportional to 469,341,306.72, 647,686,242.72 and 260,499,252.96 is: 359,486,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,341,306.72 : 647,686,242.72 = 260,499,252.96 : x
  2. Step 2: Convert to fraction form
    469,341,306.72/647,686,242.72 = 260,499,252.96/x
  3. Step 3: Cross multiply
    469,341,306.72x = 647,686,242.72 × 260,499,252.96
  4. Step 4: Simplify right side
    469,341,306.72x = 168,721,782,381,029,248
  5. Step 5: Solve for x
    x = 168,721,782,381,029,248/469,341,306.72
  6. Step 6: Final answer
    x = 359,486,326.83

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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.