Home / 983,172,003.70-1,474,758,005.55-400,588,664.80

Finding the Fourth Proportional to 983,172,003.70, 1,474,758,005.55 and 400,588,664.80

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Solution

The fourth proportional to 983,172,003.70, 1,474,758,005.55 and 400,588,664.80 is: 600,882,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,172,003.70 : 1,474,758,005.55 = 400,588,664.80 : x
  2. Step 2: Convert to fraction form
    983,172,003.70/1,474,758,005.55 = 400,588,664.80/x
  3. Step 3: Cross multiply
    983,172,003.70x = 1,474,758,005.55 × 400,588,664.80
  4. Step 4: Simplify right side
    983,172,003.70x = 590,771,340,346,385,536
  5. Step 5: Solve for x
    x = 590,771,340,346,385,536/983,172,003.70
  6. Step 6: Final answer
    x = 600,882,997.20

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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.