Home / 427,559,793.60-590,039,373.60-231,989,505.60

Finding the Fourth Proportional to 427,559,793.60, 590,039,373.60 and 231,989,505.60

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Solution

The fourth proportional to 427,559,793.60, 590,039,373.60 and 231,989,505.60 is: 320,149,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,559,793.60 : 590,039,373.60 = 231,989,505.60 : x
  2. Step 2: Convert to fraction form
    427,559,793.60/590,039,373.60 = 231,989,505.60/x
  3. Step 3: Cross multiply
    427,559,793.60x = 590,039,373.60 × 231,989,505.60
  4. Step 4: Simplify right side
    427,559,793.60x = 136,882,942,565,997,696
  5. Step 5: Solve for x
    x = 136,882,942,565,997,696/427,559,793.60
  6. Step 6: Final answer
    x = 320,149,239.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.