Home / 311,053,912.40-466,580,868.60-242,525,579.60

Finding the Fourth Proportional to 311,053,912.40, 466,580,868.60 and 242,525,579.60

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Solution

The fourth proportional to 311,053,912.40, 466,580,868.60 and 242,525,579.60 is: 363,788,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,053,912.40 : 466,580,868.60 = 242,525,579.60 : x
  2. Step 2: Convert to fraction form
    311,053,912.40/466,580,868.60 = 242,525,579.60/x
  3. Step 3: Cross multiply
    311,053,912.40x = 466,580,868.60 × 242,525,579.60
  4. Step 4: Simplify right side
    311,053,912.40x = 113,157,795,587,486,448
  5. Step 5: Solve for x
    x = 113,157,795,587,486,448/311,053,912.40
  6. Step 6: Final answer
    x = 363,788,369.40

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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.