Home / 299,691,312,455.09-449,563,397,575.71-84,561,741,514.87

Finding the Fourth Proportional to 299,691,312,455.09, 449,563,397,575.71 and 84,561,741,514.87

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Solution

The fourth proportional to 299,691,312,455.09, 449,563,397,575.71 and 84,561,741,514.87 is: 126,850,069,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,691,312,455.09 : 449,563,397,575.71 = 84,561,741,514.87 : x
  2. Step 2: Convert to fraction form
    299,691,312,455.09/449,563,397,575.71 = 84,561,741,514.87/x
  3. Step 3: Cross multiply
    299,691,312,455.09x = 449,563,397,575.71 × 84,561,741,514.87
  4. Step 4: Simplify right side
    299,691,312,455.09x = 38,015,863,820,343,480,156,160
  5. Step 5: Solve for x
    x = 38,015,863,820,343,480,156,160/299,691,312,455.09
  6. Step 6: Final answer
    x = 126,850,069,522.92

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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.