Home / 7,887,729,425.72-11,832,321,479.91-2,575,869,422.25

Finding the Fourth Proportional to 7,887,729,425.72, 11,832,321,479.91 and 2,575,869,422.25

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Solution

The fourth proportional to 7,887,729,425.72, 11,832,321,479.91 and 2,575,869,422.25 is: 3,864,041,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,729,425.72 : 11,832,321,479.91 = 2,575,869,422.25 : x
  2. Step 2: Convert to fraction form
    7,887,729,425.72/11,832,321,479.91 = 2,575,869,422.25/x
  3. Step 3: Cross multiply
    7,887,729,425.72x = 11,832,321,479.91 × 2,575,869,422.25
  4. Step 4: Simplify right side
    7,887,729,425.72x = 30,478,515,094,332,035,072
  5. Step 5: Solve for x
    x = 30,478,515,094,332,035,072/7,887,729,425.72
  6. Step 6: Final answer
    x = 3,864,041,658.80

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1.5x scale

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.