Home / 448,534,205.10-672,927,278.85-218,510,793.90

Finding the Fourth Proportional to 448,534,205.10, 672,927,278.85 and 218,510,793.90

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Solution

The fourth proportional to 448,534,205.10, 672,927,278.85 and 218,510,793.90 is: 327,827,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,534,205.10 : 672,927,278.85 = 218,510,793.90 : x
  2. Step 2: Convert to fraction form
    448,534,205.10/672,927,278.85 = 218,510,793.90/x
  3. Step 3: Cross multiply
    448,534,205.10x = 672,927,278.85 × 218,510,793.90
  4. Step 4: Simplify right side
    448,534,205.10x = 147,041,873,938,480,192
  5. Step 5: Solve for x
    x = 147,041,873,938,480,192/448,534,205.10
  6. Step 6: Final answer
    x = 327,827,559.79

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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.