Home / 270,781,064,754.32-406,173,327,963.40-79,552,320,230.91

Finding the Fourth Proportional to 270,781,064,754.32, 406,173,327,963.40 and 79,552,320,230.91

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Solution

The fourth proportional to 270,781,064,754.32, 406,173,327,963.40 and 79,552,320,230.91 is: 119,328,988,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,781,064,754.32 : 406,173,327,963.40 = 79,552,320,230.91 : x
  2. Step 2: Convert to fraction form
    270,781,064,754.32/406,173,327,963.40 = 79,552,320,230.91/x
  3. Step 3: Cross multiply
    270,781,064,754.32x = 406,173,327,963.40 × 79,552,320,230.91
  4. Step 4: Simplify right side
    270,781,064,754.32x = 32,312,030,655,398,832,766,976
  5. Step 5: Solve for x
    x = 32,312,030,655,398,832,766,976/270,781,064,754.32
  6. Step 6: Final answer
    x = 119,328,988,844.61

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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.