Home / 15,815,206,626.66-21,825,318,483.54-8,678,558,002.32

Finding the Fourth Proportional to 15,815,206,626.66, 21,825,318,483.54 and 8,678,558,002.32

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Solution

The fourth proportional to 15,815,206,626.66, 21,825,318,483.54 and 8,678,558,002.32 is: 11,976,592,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,206,626.66 : 21,825,318,483.54 = 8,678,558,002.32 : x
  2. Step 2: Convert to fraction form
    15,815,206,626.66/21,825,318,483.54 = 8,678,558,002.32/x
  3. Step 3: Cross multiply
    15,815,206,626.66x = 21,825,318,483.54 × 8,678,558,002.32
  4. Step 4: Simplify right side
    15,815,206,626.66x = 189,412,292,378,508,689,408
  5. Step 5: Solve for x
    x = 189,412,292,378,508,689,408/15,815,206,626.66
  6. Step 6: Final answer
    x = 11,976,592,962.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.