Home / 495,841,828.20-743,762,742.30-442,272,575.40

Finding the Fourth Proportional to 495,841,828.20, 743,762,742.30 and 442,272,575.40

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Solution

The fourth proportional to 495,841,828.20, 743,762,742.30 and 442,272,575.40 is: 663,408,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,841,828.20 : 743,762,742.30 = 442,272,575.40 : x
  2. Step 2: Convert to fraction form
    495,841,828.20/743,762,742.30 = 442,272,575.40/x
  3. Step 3: Cross multiply
    495,841,828.20x = 743,762,742.30 × 442,272,575.40
  4. Step 4: Simplify right side
    495,841,828.20x = 328,945,863,523,587,456
  5. Step 5: Solve for x
    x = 328,945,863,523,587,456/495,841,828.20
  6. Step 6: Final answer
    x = 663,408,863.10

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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.