Home / 517,514,411.16-775,818,120.42-194,625,031.32

Finding the Fourth Proportional to 517,514,411.16, 775,818,120.42 and 194,625,031.32

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Solution

The fourth proportional to 517,514,411.16, 775,818,120.42 and 194,625,031.32 is: 291,766,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,514,411.16 : 775,818,120.42 = 194,625,031.32 : x
  2. Step 2: Convert to fraction form
    517,514,411.16/775,818,120.42 = 194,625,031.32/x
  3. Step 3: Cross multiply
    517,514,411.16x = 775,818,120.42 × 194,625,031.32
  4. Step 4: Simplify right side
    517,514,411.16x = 150,993,625,985,366,016
  5. Step 5: Solve for x
    x = 150,993,625,985,366,016/517,514,411.16
  6. Step 6: Final answer
    x = 291,766,997.65

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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.