Home / 514,189,599.87-771,181,279.34-251,761,081.62

Finding the Fourth Proportional to 514,189,599.87, 771,181,279.34 and 251,761,081.62

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Solution

The fourth proportional to 514,189,599.87, 771,181,279.34 and 251,761,081.62 is: 377,591,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,189,599.87 : 771,181,279.34 = 251,761,081.62 : x
  2. Step 2: Convert to fraction form
    514,189,599.87/771,181,279.34 = 251,761,081.62/x
  3. Step 3: Cross multiply
    514,189,599.87x = 771,181,279.34 × 251,761,081.62
  4. Step 4: Simplify right side
    514,189,599.87x = 194,153,433,009,032,864
  5. Step 5: Solve for x
    x = 194,153,433,009,032,864/514,189,599.87
  6. Step 6: Final answer
    x = 377,591,131.87

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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.