Home / 670,356,468.50-1,005,679,433.94-204,054,355.90

Finding the Fourth Proportional to 670,356,468.50, 1,005,679,433.94 and 204,054,355.90

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Solution

The fourth proportional to 670,356,468.50, 1,005,679,433.94 and 204,054,355.90 is: 306,125,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,356,468.50 : 1,005,679,433.94 = 204,054,355.90 : x
  2. Step 2: Convert to fraction form
    670,356,468.50/1,005,679,433.94 = 204,054,355.90/x
  3. Step 3: Cross multiply
    670,356,468.50x = 1,005,679,433.94 × 204,054,355.90
  4. Step 4: Simplify right side
    670,356,468.50x = 205,213,269,129,474,912
  5. Step 5: Solve for x
    x = 205,213,269,129,474,912/670,356,468.50
  6. Step 6: Final answer
    x = 306,125,589.55

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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.