Home / 8,486,985,964.37-11,711,512,916.55-4,676,295,665.21

Finding the Fourth Proportional to 8,486,985,964.37, 11,711,512,916.55 and 4,676,295,665.21

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Solution

The fourth proportional to 8,486,985,964.37, 11,711,512,916.55 and 4,676,295,665.21 is: 6,452,997,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486,985,964.37 : 11,711,512,916.55 = 4,676,295,665.21 : x
  2. Step 2: Convert to fraction form
    8,486,985,964.37/11,711,512,916.55 = 4,676,295,665.21/x
  3. Step 3: Cross multiply
    8,486,985,964.37x = 11,711,512,916.55 × 4,676,295,665.21
  4. Step 4: Simplify right side
    8,486,985,964.37x = 54,766,497,084,655,124,480
  5. Step 5: Solve for x
    x = 54,766,497,084,655,124,480/8,486,985,964.37
  6. Step 6: Final answer
    x = 6,452,997,249.51

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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.