Home / 715,561,385,315.20-1,073,262,523,801.50-256,077,512,381.70

Finding the Fourth Proportional to 715,561,385,315.20, 1,073,262,523,801.50 and 256,077,512,381.70

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Solution

The fourth proportional to 715,561,385,315.20, 1,073,262,523,801.50 and 256,077,512,381.70 is: 384,087,798,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,561,385,315.20 : 1,073,262,523,801.50 = 256,077,512,381.70 : x
  2. Step 2: Convert to fraction form
    715,561,385,315.20/1,073,262,523,801.50 = 256,077,512,381.70/x
  3. Step 3: Cross multiply
    715,561,385,315.20x = 1,073,262,523,801.50 × 256,077,512,381.70
  4. Step 4: Simplify right side
    715,561,385,315.20x = 274,838,397,227,593,229,139,968
  5. Step 5: Solve for x
    x = 274,838,397,227,593,229,139,968/715,561,385,315.20
  6. Step 6: Final answer
    x = 384,087,798,570.25

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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.