Home / 655,379,531.98-983,077,817.11-218,680,216.13

Finding the Fourth Proportional to 655,379,531.98, 983,077,817.11 and 218,680,216.13

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Solution

The fourth proportional to 655,379,531.98, 983,077,817.11 and 218,680,216.13 is: 328,023,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,379,531.98 : 983,077,817.11 = 218,680,216.13 : x
  2. Step 2: Convert to fraction form
    655,379,531.98/983,077,817.11 = 218,680,216.13/x
  3. Step 3: Cross multiply
    655,379,531.98x = 983,077,817.11 × 218,680,216.13
  4. Step 4: Simplify right side
    655,379,531.98x = 214,979,669,517,102,656
  5. Step 5: Solve for x
    x = 214,979,669,517,102,656/655,379,531.98
  6. Step 6: Final answer
    x = 328,023,166.77

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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.