Home / 713,015,998.80-1,069,523,998.20-495,337,765.20

Finding the Fourth Proportional to 713,015,998.80, 1,069,523,998.20 and 495,337,765.20

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Solution

The fourth proportional to 713,015,998.80, 1,069,523,998.20 and 495,337,765.20 is: 743,006,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,015,998.80 : 1,069,523,998.20 = 495,337,765.20 : x
  2. Step 2: Convert to fraction form
    713,015,998.80/1,069,523,998.20 = 495,337,765.20/x
  3. Step 3: Cross multiply
    713,015,998.80x = 1,069,523,998.20 × 495,337,765.20
  4. Step 4: Simplify right side
    713,015,998.80x = 529,775,627,096,156,864
  5. Step 5: Solve for x
    x = 529,775,627,096,156,864/713,015,998.80
  6. Step 6: Final answer
    x = 743,006,647.80

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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.