Home / 655,486,769.63-982,591,094.81-261,896,250.62

Finding the Fourth Proportional to 655,486,769.63, 982,591,094.81 and 261,896,250.62

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Solution

The fourth proportional to 655,486,769.63, 982,591,094.81 and 261,896,250.62 is: 392,589,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,486,769.63 : 982,591,094.81 = 261,896,250.62 : x
  2. Step 2: Convert to fraction form
    655,486,769.63/982,591,094.81 = 261,896,250.62/x
  3. Step 3: Cross multiply
    655,486,769.63x = 982,591,094.81 × 261,896,250.62
  4. Step 4: Simplify right side
    655,486,769.63x = 257,336,923,617,117,504
  5. Step 5: Solve for x
    x = 257,336,923,617,117,504/655,486,769.63
  6. Step 6: Final answer
    x = 392,589,043.05

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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.