Home / 409,006,593,187.20-613,509,889,780.80-188,855,964,835.20

Finding the Fourth Proportional to 409,006,593,187.20, 613,509,889,780.80 and 188,855,964,835.20

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Solution

The fourth proportional to 409,006,593,187.20, 613,509,889,780.80 and 188,855,964,835.20 is: 283,283,947,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,006,593,187.20 : 613,509,889,780.80 = 188,855,964,835.20 : x
  2. Step 2: Convert to fraction form
    409,006,593,187.20/613,509,889,780.80 = 188,855,964,835.20/x
  3. Step 3: Cross multiply
    409,006,593,187.20x = 613,509,889,780.80 × 188,855,964,835.20
  4. Step 4: Simplify right side
    409,006,593,187.20x = 115,865,002,170,490,214,678,528
  5. Step 5: Solve for x
    x = 115,865,002,170,490,214,678,528/409,006,593,187.20
  6. Step 6: Final answer
    x = 283,283,947,252.80

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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.