Home / 551,884,589.70-827,949,930.90-158,380,741.22

Finding the Fourth Proportional to 551,884,589.70, 827,949,930.90 and 158,380,741.22

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Solution

The fourth proportional to 551,884,589.70, 827,949,930.90 and 158,380,741.22 is: 237,606,423.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,884,589.70 : 827,949,930.90 = 158,380,741.22 : x
  2. Step 2: Convert to fraction form
    551,884,589.70/827,949,930.90 = 158,380,741.22/x
  3. Step 3: Cross multiply
    551,884,589.70x = 827,949,930.90 × 158,380,741.22
  4. Step 4: Simplify right side
    551,884,589.70x = 131,131,323,748,989,776
  5. Step 5: Solve for x
    x = 131,131,323,748,989,776/551,884,589.70
  6. Step 6: Final answer
    x = 237,606,423.87

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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.