Home / 759,010,073.22-1,138,540,312.62-261,015,702.57

Finding the Fourth Proportional to 759,010,073.22, 1,138,540,312.62 and 261,015,702.57

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Solution

The fourth proportional to 759,010,073.22, 1,138,540,312.62 and 261,015,702.57 is: 391,532,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,010,073.22 : 1,138,540,312.62 = 261,015,702.57 : x
  2. Step 2: Convert to fraction form
    759,010,073.22/1,138,540,312.62 = 261,015,702.57/x
  3. Step 3: Cross multiply
    759,010,073.22x = 1,138,540,312.62 × 261,015,702.57
  4. Step 4: Simplify right side
    759,010,073.22x = 297,176,899,602,776,704
  5. Step 5: Solve for x
    x = 297,176,899,602,776,704/759,010,073.22
  6. Step 6: Final answer
    x = 391,532,220.83

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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.