Home / 218,091,657.60-327,137,486.40-209,482,313.40

Finding the Fourth Proportional to 218,091,657.60, 327,137,486.40 and 209,482,313.40

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Solution

The fourth proportional to 218,091,657.60, 327,137,486.40 and 209,482,313.40 is: 314,223,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,091,657.60 : 327,137,486.40 = 209,482,313.40 : x
  2. Step 2: Convert to fraction form
    218,091,657.60/327,137,486.40 = 209,482,313.40/x
  3. Step 3: Cross multiply
    218,091,657.60x = 327,137,486.40 × 209,482,313.40
  4. Step 4: Simplify right side
    218,091,657.60x = 68,529,517,450,933,032
  5. Step 5: Solve for x
    x = 68,529,517,450,933,032/218,091,657.60
  6. Step 6: Final answer
    x = 314,223,470.10

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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.