Home / 12,899,570,797.12-17,800,272,294.02-7,183,423,287.58

Finding the Fourth Proportional to 12,899,570,797.12, 17,800,272,294.02 and 7,183,423,287.58

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Solution

The fourth proportional to 12,899,570,797.12, 17,800,272,294.02 and 7,183,423,287.58 is: 9,912,491,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,570,797.12 : 17,800,272,294.02 = 7,183,423,287.58 : x
  2. Step 2: Convert to fraction form
    12,899,570,797.12/17,800,272,294.02 = 7,183,423,287.58/x
  3. Step 3: Cross multiply
    12,899,570,797.12x = 17,800,272,294.02 × 7,183,423,287.58
  4. Step 4: Simplify right side
    12,899,570,797.12x = 127,866,890,522,128,334,848
  5. Step 5: Solve for x
    x = 127,866,890,522,128,334,848/12,899,570,797.12
  6. Step 6: Final answer
    x = 9,912,491,859.86

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1.5x scale

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.