Home / 19,397,963,797.20-29,096,945,695.80-8,378,003,221.20

Finding the Fourth Proportional to 19,397,963,797.20, 29,096,945,695.80 and 8,378,003,221.20

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Solution

The fourth proportional to 19,397,963,797.20, 29,096,945,695.80 and 8,378,003,221.20 is: 12,567,004,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397,963,797.20 : 29,096,945,695.80 = 8,378,003,221.20 : x
  2. Step 2: Convert to fraction form
    19,397,963,797.20/29,096,945,695.80 = 8,378,003,221.20/x
  3. Step 3: Cross multiply
    19,397,963,797.20x = 29,096,945,695.80 × 8,378,003,221.20
  4. Step 4: Simplify right side
    19,397,963,797.20x = 243,774,304,766,493,851,648
  5. Step 5: Solve for x
    x = 243,774,304,766,493,851,648/19,397,963,797.20
  6. Step 6: Final answer
    x = 12,567,004,831.80

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Double scale
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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.