Home / 284,129,624,452.72-392,049,046,939.48-162,138,660,876.40

Finding the Fourth Proportional to 284,129,624,452.72, 392,049,046,939.48 and 162,138,660,876.40

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Solution

The fourth proportional to 284,129,624,452.72, 392,049,046,939.48 and 162,138,660,876.40 is: 223,722,913,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,129,624,452.72 : 392,049,046,939.48 = 162,138,660,876.40 : x
  2. Step 2: Convert to fraction form
    284,129,624,452.72/392,049,046,939.48 = 162,138,660,876.40/x
  3. Step 3: Cross multiply
    284,129,624,452.72x = 392,049,046,939.48 × 162,138,660,876.40
  4. Step 4: Simplify right side
    284,129,624,452.72x = 63,566,307,468,636,170,747,904
  5. Step 5: Solve for x
    x = 63,566,307,468,636,170,747,904/284,129,624,452.72
  6. Step 6: Final answer
    x = 223,722,913,761.90

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1.5x scale

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.