Home / 575,660,915.28-794,412,052.20-311,342,928.66

Finding the Fourth Proportional to 575,660,915.28, 794,412,052.20 and 311,342,928.66

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Solution

The fourth proportional to 575,660,915.28, 794,412,052.20 and 311,342,928.66 is: 429,653,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,660,915.28 : 794,412,052.20 = 311,342,928.66 : x
  2. Step 2: Convert to fraction form
    575,660,915.28/794,412,052.20 = 311,342,928.66/x
  3. Step 3: Cross multiply
    575,660,915.28x = 794,412,052.20 × 311,342,928.66
  4. Step 4: Simplify right side
    575,660,915.28x = 247,334,574,894,748,832
  5. Step 5: Solve for x
    x = 247,334,574,894,748,832/575,660,915.28
  6. Step 6: Final answer
    x = 429,653,235.66

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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.