Home / 7,909,866,672.27-11,858,127,174.95-6,510,919,983.90

Finding the Fourth Proportional to 7,909,866,672.27, 11,858,127,174.95 and 6,510,919,983.90

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Solution

The fourth proportional to 7,909,866,672.27, 11,858,127,174.95 and 6,510,919,983.90 is: 9,760,887,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,866,672.27 : 11,858,127,174.95 = 6,510,919,983.90 : x
  2. Step 2: Convert to fraction form
    7,909,866,672.27/11,858,127,174.95 = 6,510,919,983.90/x
  3. Step 3: Cross multiply
    7,909,866,672.27x = 11,858,127,174.95 × 6,510,919,983.90
  4. Step 4: Simplify right side
    7,909,866,672.27x = 77,207,317,194,977,050,624
  5. Step 5: Solve for x
    x = 77,207,317,194,977,050,624/7,909,866,672.27
  6. Step 6: Final answer
    x = 9,760,887,306.19

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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.