Home / 3,120,288,128-4,680,366,618.08-759,462,257.92

Finding the Fourth Proportional to 3,120,288,128, 4,680,366,618.08 and 759,462,257.92

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Solution

The fourth proportional to 3,120,288,128, 4,680,366,618.08 and 759,462,257.92 is: 1,139,177,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,288,128 : 4,680,366,618.08 = 759,462,257.92 : x
  2. Step 2: Convert to fraction form
    3,120,288,128/4,680,366,618.08 = 759,462,257.92/x
  3. Step 3: Cross multiply
    3,120,288,128x = 4,680,366,618.08 × 759,462,257.92
  4. Step 4: Simplify right side
    3,120,288,128x = 3,554,561,799,660,430,848
  5. Step 5: Solve for x
    x = 3,554,561,799,660,430,848/3,120,288,128
  6. Step 6: Final answer
    x = 1,139,177,426.52

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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.