Home / 40,931,839,150.20-61,397,758,725.30-18,891,917,998.20

Finding the Fourth Proportional to 40,931,839,150.20, 61,397,758,725.30 and 18,891,917,998.20

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Solution

The fourth proportional to 40,931,839,150.20, 61,397,758,725.30 and 18,891,917,998.20 is: 28,337,876,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931,839,150.20 : 61,397,758,725.30 = 18,891,917,998.20 : x
  2. Step 2: Convert to fraction form
    40,931,839,150.20/61,397,758,725.30 = 18,891,917,998.20/x
  3. Step 3: Cross multiply
    40,931,839,150.20x = 61,397,758,725.30 × 18,891,917,998.20
  4. Step 4: Simplify right side
    40,931,839,150.20x = 1,159,921,423,111,636,254,720
  5. Step 5: Solve for x
    x = 1,159,921,423,111,636,254,720/40,931,839,150.20
  6. Step 6: Final answer
    x = 28,337,876,997.30

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Double scale
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Similar ratio
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1.5x scale

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.