Home / 519,761,244.16-779,643,195.45-131,584,116.07

Finding the Fourth Proportional to 519,761,244.16, 779,643,195.45 and 131,584,116.07

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Solution

The fourth proportional to 519,761,244.16, 779,643,195.45 and 131,584,116.07 is: 197,376,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,761,244.16 : 779,643,195.45 = 131,584,116.07 : x
  2. Step 2: Convert to fraction form
    519,761,244.16/779,643,195.45 = 131,584,116.07/x
  3. Step 3: Cross multiply
    519,761,244.16x = 779,643,195.45 × 131,584,116.07
  4. Step 4: Simplify right side
    519,761,244.16x = 102,588,660,723,278,496
  5. Step 5: Solve for x
    x = 102,588,660,723,278,496/519,761,244.16
  6. Step 6: Final answer
    x = 197,376,510.61

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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.