Home / 495,841,814.70-743,762,722.05-442,272,561.90

Finding the Fourth Proportional to 495,841,814.70, 743,762,722.05 and 442,272,561.90

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Solution

The fourth proportional to 495,841,814.70, 743,762,722.05 and 442,272,561.90 is: 663,408,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,841,814.70 : 743,762,722.05 = 442,272,561.90 : x
  2. Step 2: Convert to fraction form
    495,841,814.70/743,762,722.05 = 442,272,561.90/x
  3. Step 3: Cross multiply
    495,841,814.70x = 743,762,722.05 × 442,272,561.90
  4. Step 4: Simplify right side
    495,841,814.70x = 328,945,844,526,771,072
  5. Step 5: Solve for x
    x = 328,945,844,526,771,072/495,841,814.70
  6. Step 6: Final answer
    x = 663,408,842.85

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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.