Home / 21,190,067,480.16-31,784,044,669.56-7,924,350,502.80

Finding the Fourth Proportional to 21,190,067,480.16, 31,784,044,669.56 and 7,924,350,502.80

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Solution

The fourth proportional to 21,190,067,480.16, 31,784,044,669.56 and 7,924,350,502.80 is: 11,886,130,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,190,067,480.16 : 31,784,044,669.56 = 7,924,350,502.80 : x
  2. Step 2: Convert to fraction form
    21,190,067,480.16/31,784,044,669.56 = 7,924,350,502.80/x
  3. Step 3: Cross multiply
    21,190,067,480.16x = 31,784,044,669.56 × 7,924,350,502.80
  4. Step 4: Simplify right side
    21,190,067,480.16x = 251,867,910,358,245,474,304
  5. Step 5: Solve for x
    x = 251,867,910,358,245,474,304/21,190,067,480.16
  6. Step 6: Final answer
    x = 11,886,130,640.88

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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.