Home / 495,492,148.53-683,611,799.72-280,887,770.25

Finding the Fourth Proportional to 495,492,148.53, 683,611,799.72 and 280,887,770.25

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Solution

The fourth proportional to 495,492,148.53, 683,611,799.72 and 280,887,770.25 is: 387,530,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,492,148.53 : 683,611,799.72 = 280,887,770.25 : x
  2. Step 2: Convert to fraction form
    495,492,148.53/683,611,799.72 = 280,887,770.25/x
  3. Step 3: Cross multiply
    495,492,148.53x = 683,611,799.72 × 280,887,770.25
  4. Step 4: Simplify right side
    495,492,148.53x = 192,018,194,138,535,936
  5. Step 5: Solve for x
    x = 192,018,194,138,535,936/495,492,148.53
  6. Step 6: Final answer
    x = 387,530,245.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.