Home / 629,858,127.40-944,787,191.10-398,575,004.20

Finding the Fourth Proportional to 629,858,127.40, 944,787,191.10 and 398,575,004.20

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Solution

The fourth proportional to 629,858,127.40, 944,787,191.10 and 398,575,004.20 is: 597,862,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,127.40 : 944,787,191.10 = 398,575,004.20 : x
  2. Step 2: Convert to fraction form
    629,858,127.40/944,787,191.10 = 398,575,004.20/x
  3. Step 3: Cross multiply
    629,858,127.40x = 944,787,191.10 × 398,575,004.20
  4. Step 4: Simplify right side
    629,858,127.40x = 376,568,558,660,788,672
  5. Step 5: Solve for x
    x = 376,568,558,660,788,672/629,858,127.40
  6. Step 6: Final answer
    x = 597,862,506.30

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1.5x scale

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.