Home / 522,218,496.98-783,161,555.85-172,399,430.86

Finding the Fourth Proportional to 522,218,496.98, 783,161,555.85 and 172,399,430.86

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Solution

The fourth proportional to 522,218,496.98, 783,161,555.85 and 172,399,430.86 is: 258,544,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,218,496.98 : 783,161,555.85 = 172,399,430.86 : x
  2. Step 2: Convert to fraction form
    522,218,496.98/783,161,555.85 = 172,399,430.86/x
  3. Step 3: Cross multiply
    522,218,496.98x = 783,161,555.85 × 172,399,430.86
  4. Step 4: Simplify right side
    522,218,496.98x = 135,016,606,499,482,992
  5. Step 5: Solve for x
    x = 135,016,606,499,482,992/522,218,496.98
  6. Step 6: Final answer
    x = 258,544,282.29

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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.