Home / 442,293,485.40-663,440,228.10-433,684,141.20

Finding the Fourth Proportional to 442,293,485.40, 663,440,228.10 and 433,684,141.20

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Solution

The fourth proportional to 442,293,485.40, 663,440,228.10 and 433,684,141.20 is: 650,526,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,293,485.40 : 663,440,228.10 = 433,684,141.20 : x
  2. Step 2: Convert to fraction form
    442,293,485.40/663,440,228.10 = 433,684,141.20/x
  3. Step 3: Cross multiply
    442,293,485.40x = 663,440,228.10 × 433,684,141.20
  4. Step 4: Simplify right side
    442,293,485.40x = 287,723,505,561,080,608
  5. Step 5: Solve for x
    x = 287,723,505,561,080,608/442,293,485.40
  6. Step 6: Final answer
    x = 650,526,211.80

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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.