Home / 448,633,381.74-673,187,167.41-318,317,841.72

Finding the Fourth Proportional to 448,633,381.74, 673,187,167.41 and 318,317,841.72

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Solution

The fourth proportional to 448,633,381.74, 673,187,167.41 and 318,317,841.72 is: 477,644,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,633,381.74 : 673,187,167.41 = 318,317,841.72 : x
  2. Step 2: Convert to fraction form
    448,633,381.74/673,187,167.41 = 318,317,841.72/x
  3. Step 3: Cross multiply
    448,633,381.74x = 673,187,167.41 × 318,317,841.72
  4. Step 4: Simplify right side
    448,633,381.74x = 214,287,486,203,551,520
  5. Step 5: Solve for x
    x = 214,287,486,203,551,520/448,633,381.74
  6. Step 6: Final answer
    x = 477,644,987.92

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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.