Home / 645,234,400.80-966,060,010.80-627,318,496.80

Finding the Fourth Proportional to 645,234,400.80, 966,060,010.80 and 627,318,496.80

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Solution

The fourth proportional to 645,234,400.80, 966,060,010.80 and 627,318,496.80 is: 939,235,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,234,400.80 : 966,060,010.80 = 627,318,496.80 : x
  2. Step 2: Convert to fraction form
    645,234,400.80/966,060,010.80 = 627,318,496.80/x
  3. Step 3: Cross multiply
    645,234,400.80x = 966,060,010.80 × 627,318,496.80
  4. Step 4: Simplify right side
    645,234,400.80x = 606,027,313,793,647,744
  5. Step 5: Solve for x
    x = 606,027,313,793,647,744/645,234,400.80
  6. Step 6: Final answer
    x = 939,235,901.00

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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.