Home / 442,868,003.60-664,302,005.40-419,192,307.06

Finding the Fourth Proportional to 442,868,003.60, 664,302,005.40 and 419,192,307.06

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Solution

The fourth proportional to 442,868,003.60, 664,302,005.40 and 419,192,307.06 is: 628,788,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,003.60 : 664,302,005.40 = 419,192,307.06 : x
  2. Step 2: Convert to fraction form
    442,868,003.60/664,302,005.40 = 419,192,307.06/x
  3. Step 3: Cross multiply
    442,868,003.60x = 664,302,005.40 × 419,192,307.06
  4. Step 4: Simplify right side
    442,868,003.60x = 278,470,290,228,210,560
  5. Step 5: Solve for x
    x = 278,470,290,228,210,560/442,868,003.60
  6. Step 6: Final answer
    x = 628,788,460.59

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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.