Home / 8,486,985,969.11-11,711,512,923.04-4,676,295,669.92

Finding the Fourth Proportional to 8,486,985,969.11, 11,711,512,923.04 and 4,676,295,669.92

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Solution

The fourth proportional to 8,486,985,969.11, 11,711,512,923.04 and 4,676,295,669.92 is: 6,452,997,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486,985,969.11 : 11,711,512,923.04 = 4,676,295,669.92 : x
  2. Step 2: Convert to fraction form
    8,486,985,969.11/11,711,512,923.04 = 4,676,295,669.92/x
  3. Step 3: Cross multiply
    8,486,985,969.11x = 11,711,512,923.04 × 4,676,295,669.92
  4. Step 4: Simplify right side
    8,486,985,969.11x = 54,766,497,170,151,489,536
  5. Step 5: Solve for x
    x = 54,766,497,170,151,489,536/8,486,985,969.11
  6. Step 6: Final answer
    x = 6,452,997,255.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.