Home / 405,980,575.29-560,253,734.52-220,341,590.97

Finding the Fourth Proportional to 405,980,575.29, 560,253,734.52 and 220,341,590.97

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Solution

The fourth proportional to 405,980,575.29, 560,253,734.52 and 220,341,590.97 is: 304,071,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,980,575.29 : 560,253,734.52 = 220,341,590.97 : x
  2. Step 2: Convert to fraction form
    405,980,575.29/560,253,734.52 = 220,341,590.97/x
  3. Step 3: Cross multiply
    405,980,575.29x = 560,253,734.52 × 220,341,590.97
  4. Step 4: Simplify right side
    405,980,575.29x = 123,447,199,211,020,800
  5. Step 5: Solve for x
    x = 123,447,199,211,020,800/405,980,575.29
  6. Step 6: Final answer
    x = 304,071,688.95

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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.