Home / 264,645,813.74-396,902,721.41-77,862,589.61

Finding the Fourth Proportional to 264,645,813.74, 396,902,721.41 and 77,862,589.61

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Solution

The fourth proportional to 264,645,813.74, 396,902,721.41 and 77,862,589.61 is: 116,774,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,645,813.74 : 396,902,721.41 = 77,862,589.61 : x
  2. Step 2: Convert to fraction form
    264,645,813.74/396,902,721.41 = 77,862,589.61/x
  3. Step 3: Cross multiply
    264,645,813.74x = 396,902,721.41 × 77,862,589.61
  4. Step 4: Simplify right side
    264,645,813.74x = 30,903,873,712,841,932
  5. Step 5: Solve for x
    x = 30,903,873,712,841,932/264,645,813.74
  6. Step 6: Final answer
    x = 116,774,466.51

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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.