Home / 731,257,912.80-1,096,970,103.72-265,138,848.05

Finding the Fourth Proportional to 731,257,912.80, 1,096,970,103.72 and 265,138,848.05

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Solution

The fourth proportional to 731,257,912.80, 1,096,970,103.72 and 265,138,848.05 is: 397,738,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,257,912.80 : 1,096,970,103.72 = 265,138,848.05 : x
  2. Step 2: Convert to fraction form
    731,257,912.80/1,096,970,103.72 = 265,138,848.05/x
  3. Step 3: Cross multiply
    731,257,912.80x = 1,096,970,103.72 × 265,138,848.05
  4. Step 4: Simplify right side
    731,257,912.80x = 290,849,389,640,124,992
  5. Step 5: Solve for x
    x = 290,849,389,640,124,992/731,257,912.80
  6. Step 6: Final answer
    x = 397,738,451.17

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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.