Home / 495,520,712.79-683,836,563.03-283,868,449.25

Finding the Fourth Proportional to 495,520,712.79, 683,836,563.03 and 283,868,449.25

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Solution

The fourth proportional to 495,520,712.79, 683,836,563.03 and 283,868,449.25 is: 391,748,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,520,712.79 : 683,836,563.03 = 283,868,449.25 : x
  2. Step 2: Convert to fraction form
    495,520,712.79/683,836,563.03 = 283,868,449.25/x
  3. Step 3: Cross multiply
    495,520,712.79x = 683,836,563.03 × 283,868,449.25
  4. Step 4: Simplify right side
    495,520,712.79x = 194,119,624,687,775,968
  5. Step 5: Solve for x
    x = 194,119,624,687,775,968/495,520,712.79
  6. Step 6: Final answer
    x = 391,748,759.79

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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.