Home / 415,798,281,630.20-623,697,422,445.30-389,350,376,247.80

Finding the Fourth Proportional to 415,798,281,630.20, 623,697,422,445.30 and 389,350,376,247.80

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Solution

The fourth proportional to 415,798,281,630.20, 623,697,422,445.30 and 389,350,376,247.80 is: 584,025,564,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,798,281,630.20 : 623,697,422,445.30 = 389,350,376,247.80 : x
  2. Step 2: Convert to fraction form
    415,798,281,630.20/623,697,422,445.30 = 389,350,376,247.80/x
  3. Step 3: Cross multiply
    415,798,281,630.20x = 623,697,422,445.30 × 389,350,376,247.80
  4. Step 4: Simplify right side
    415,798,281,630.20x = 242,836,826,093,860,633,444,352
  5. Step 5: Solve for x
    x = 242,836,826,093,860,633,444,352/415,798,281,630.20
  6. Step 6: Final answer
    x = 584,025,564,371.70

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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.