Home / 491,513,968.52-737,265,908.22-284,120,415.74

Finding the Fourth Proportional to 491,513,968.52, 737,265,908.22 and 284,120,415.74

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Solution

The fourth proportional to 491,513,968.52, 737,265,908.22 and 284,120,415.74 is: 426,177,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,513,968.52 : 737,265,908.22 = 284,120,415.74 : x
  2. Step 2: Convert to fraction form
    491,513,968.52/737,265,908.22 = 284,120,415.74/x
  3. Step 3: Cross multiply
    491,513,968.52x = 737,265,908.22 × 284,120,415.74
  4. Step 4: Simplify right side
    491,513,968.52x = 209,472,296,350,708,768
  5. Step 5: Solve for x
    x = 209,472,296,350,708,768/491,513,968.52
  6. Step 6: Final answer
    x = 426,177,707.59

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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.