Home / 441,344,020.40-662,016,030.60-393,726,906.80

Finding the Fourth Proportional to 441,344,020.40, 662,016,030.60 and 393,726,906.80

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Solution

The fourth proportional to 441,344,020.40, 662,016,030.60 and 393,726,906.80 is: 590,590,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,344,020.40 : 662,016,030.60 = 393,726,906.80 : x
  2. Step 2: Convert to fraction form
    441,344,020.40/662,016,030.60 = 393,726,906.80/x
  3. Step 3: Cross multiply
    441,344,020.40x = 662,016,030.60 × 393,726,906.80
  4. Step 4: Simplify right side
    441,344,020.40x = 260,653,523,980,152,160
  5. Step 5: Solve for x
    x = 260,653,523,980,152,160/441,344,020.40
  6. Step 6: Final answer
    x = 590,590,360.20

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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.