Home / 18,702,923,275.62-25,810,025,964.93-10,129,350,308.58

Finding the Fourth Proportional to 18,702,923,275.62, 25,810,025,964.93 and 10,129,350,308.58

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Solution

The fourth proportional to 18,702,923,275.62, 25,810,025,964.93 and 10,129,350,308.58 is: 13,978,499,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702,923,275.62 : 25,810,025,964.93 = 10,129,350,308.58 : x
  2. Step 2: Convert to fraction form
    18,702,923,275.62/25,810,025,964.93 = 10,129,350,308.58/x
  3. Step 3: Cross multiply
    18,702,923,275.62x = 25,810,025,964.93 × 10,129,350,308.58
  4. Step 4: Simplify right side
    18,702,923,275.62x = 261,438,794,472,321,515,520
  5. Step 5: Solve for x
    x = 261,438,794,472,321,515,520/18,702,923,275.62
  6. Step 6: Final answer
    x = 13,978,499,008.93

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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.