Home / 448,633,381.34-673,187,166.80-318,317,841.32

Finding the Fourth Proportional to 448,633,381.34, 673,187,166.80 and 318,317,841.32

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Solution

The fourth proportional to 448,633,381.34, 673,187,166.80 and 318,317,841.32 is: 477,644,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,633,381.34 : 673,187,166.80 = 318,317,841.32 : x
  2. Step 2: Convert to fraction form
    448,633,381.34/673,187,166.80 = 318,317,841.32/x
  3. Step 3: Cross multiply
    448,633,381.34x = 673,187,166.80 × 318,317,841.32
  4. Step 4: Simplify right side
    448,633,381.34x = 214,287,485,740,102,752
  5. Step 5: Solve for x
    x = 214,287,485,740,102,752/448,633,381.34
  6. Step 6: Final answer
    x = 477,644,987.32

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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.