Home / 747,340,048.20-1,121,010,072.30-743,035,376.10

Finding the Fourth Proportional to 747,340,048.20, 1,121,010,072.30 and 743,035,376.10

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Solution

The fourth proportional to 747,340,048.20, 1,121,010,072.30 and 743,035,376.10 is: 1,114,553,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,048.20 : 1,121,010,072.30 = 743,035,376.10 : x
  2. Step 2: Convert to fraction form
    747,340,048.20/1,121,010,072.30 = 743,035,376.10/x
  3. Step 3: Cross multiply
    747,340,048.20x = 1,121,010,072.30 × 743,035,376.10
  4. Step 4: Simplify right side
    747,340,048.20x = 832,950,140,683,318,656
  5. Step 5: Solve for x
    x = 832,950,140,683,318,656/747,340,048.20
  6. Step 6: Final answer
    x = 1,114,553,064.15

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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.