Home / 467,255,704.68-644,893,813.62-281,616,962.76

Finding the Fourth Proportional to 467,255,704.68, 644,893,813.62 and 281,616,962.76

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Solution

The fourth proportional to 467,255,704.68, 644,893,813.62 and 281,616,962.76 is: 388,680,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,255,704.68 : 644,893,813.62 = 281,616,962.76 : x
  2. Step 2: Convert to fraction form
    467,255,704.68/644,893,813.62 = 281,616,962.76/x
  3. Step 3: Cross multiply
    467,255,704.68x = 644,893,813.62 × 281,616,962.76
  4. Step 4: Simplify right side
    467,255,704.68x = 181,613,037,094,377,920
  5. Step 5: Solve for x
    x = 181,613,037,094,377,920/467,255,704.68
  6. Step 6: Final answer
    x = 388,680,192.18

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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.