Home / 495,841,817.70-743,762,726.55-442,272,564.90

Finding the Fourth Proportional to 495,841,817.70, 743,762,726.55 and 442,272,564.90

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Solution

The fourth proportional to 495,841,817.70, 743,762,726.55 and 442,272,564.90 is: 663,408,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,841,817.70 : 743,762,726.55 = 442,272,564.90 : x
  2. Step 2: Convert to fraction form
    495,841,817.70/743,762,726.55 = 442,272,564.90/x
  3. Step 3: Cross multiply
    495,841,817.70x = 743,762,726.55 × 442,272,564.90
  4. Step 4: Simplify right side
    495,841,817.70x = 328,945,848,748,285,760
  5. Step 5: Solve for x
    x = 328,945,848,748,285,760/495,841,817.70
  6. Step 6: Final answer
    x = 663,408,847.35

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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.