Home / 908,381,505.60-1,362,552,585.12-253,315,052.64

Finding the Fourth Proportional to 908,381,505.60, 1,362,552,585.12 and 253,315,052.64

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Solution

The fourth proportional to 908,381,505.60, 1,362,552,585.12 and 253,315,052.64 is: 379,967,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,381,505.60 : 1,362,552,585.12 = 253,315,052.64 : x
  2. Step 2: Convert to fraction form
    908,381,505.60/1,362,552,585.12 = 253,315,052.64/x
  3. Step 3: Cross multiply
    908,381,505.60x = 1,362,552,585.12 × 253,315,052.64
  4. Step 4: Simplify right side
    908,381,505.60x = 345,155,079,824,440,832
  5. Step 5: Solve for x
    x = 345,155,079,824,440,832/908,381,505.60
  6. Step 6: Final answer
    x = 379,967,092.79

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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.