Home / 279,937,376.60-419,906,064.90-245,925,152.60

Finding the Fourth Proportional to 279,937,376.60, 419,906,064.90 and 245,925,152.60

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Solution

The fourth proportional to 279,937,376.60, 419,906,064.90 and 245,925,152.60 is: 368,887,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937,376.60 : 419,906,064.90 = 245,925,152.60 : x
  2. Step 2: Convert to fraction form
    279,937,376.60/419,906,064.90 = 245,925,152.60/x
  3. Step 3: Cross multiply
    279,937,376.60x = 419,906,064.90 × 245,925,152.60
  4. Step 4: Simplify right side
    279,937,376.60x = 103,265,463,088,198,000
  5. Step 5: Solve for x
    x = 103,265,463,088,198,000/279,937,376.60
  6. Step 6: Final answer
    x = 368,887,728.90

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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.