Home / 8,338,972,710.16-12,508,448,499.60-2,128,138,140.16

Finding the Fourth Proportional to 8,338,972,710.16, 12,508,448,499.60 and 2,128,138,140.16

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Solution

The fourth proportional to 8,338,972,710.16, 12,508,448,499.60 and 2,128,138,140.16 is: 3,192,204,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,972,710.16 : 12,508,448,499.60 = 2,128,138,140.16 : x
  2. Step 2: Convert to fraction form
    8,338,972,710.16/12,508,448,499.60 = 2,128,138,140.16/x
  3. Step 3: Cross multiply
    8,338,972,710.16x = 12,508,448,499.60 × 2,128,138,140.16
  4. Step 4: Simplify right side
    8,338,972,710.16x = 26,619,706,326,225,887,232
  5. Step 5: Solve for x
    x = 26,619,706,326,225,887,232/8,338,972,710.16
  6. Step 6: Final answer
    x = 3,192,204,513.85

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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.