Home / 825,885,992.16-1,139,752,737.05-449,524,385.57

Finding the Fourth Proportional to 825,885,992.16, 1,139,752,737.05 and 449,524,385.57

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Solution

The fourth proportional to 825,885,992.16, 1,139,752,737.05 and 449,524,385.57 is: 620,360,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,885,992.16 : 1,139,752,737.05 = 449,524,385.57 : x
  2. Step 2: Convert to fraction form
    825,885,992.16/1,139,752,737.05 = 449,524,385.57/x
  3. Step 3: Cross multiply
    825,885,992.16x = 1,139,752,737.05 × 449,524,385.57
  4. Step 4: Simplify right side
    825,885,992.16x = 512,346,648,824,706,048
  5. Step 5: Solve for x
    x = 512,346,648,824,706,048/825,885,992.16
  6. Step 6: Final answer
    x = 620,360,017.83

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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.