Home / 626,277,589.28-864,159,294.76-361,984,238

Finding the Fourth Proportional to 626,277,589.28, 864,159,294.76 and 361,984,238

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Solution

The fourth proportional to 626,277,589.28, 864,159,294.76 and 361,984,238 is: 499,478,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,277,589.28 : 864,159,294.76 = 361,984,238 : x
  2. Step 2: Convert to fraction form
    626,277,589.28/864,159,294.76 = 361,984,238/x
  3. Step 3: Cross multiply
    626,277,589.28x = 864,159,294.76 × 361,984,238
  4. Step 4: Simplify right side
    626,277,589.28x = 312,812,043,824,315,968
  5. Step 5: Solve for x
    x = 312,812,043,824,315,968/626,277,589.28
  6. Step 6: Final answer
    x = 499,478,265.20

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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.