Home / 448,079,734.80-672,119,602.20-394,332,022.80

Finding the Fourth Proportional to 448,079,734.80, 672,119,602.20 and 394,332,022.80

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Solution

The fourth proportional to 448,079,734.80, 672,119,602.20 and 394,332,022.80 is: 591,498,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,079,734.80 : 672,119,602.20 = 394,332,022.80 : x
  2. Step 2: Convert to fraction form
    448,079,734.80/672,119,602.20 = 394,332,022.80/x
  3. Step 3: Cross multiply
    448,079,734.80x = 672,119,602.20 × 394,332,022.80
  4. Step 4: Simplify right side
    448,079,734.80x = 265,038,282,299,057,344
  5. Step 5: Solve for x
    x = 265,038,282,299,057,344/448,079,734.80
  6. Step 6: Final answer
    x = 591,498,034.20

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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.