Home / 1,149,552,003.70-1,724,328,005.55-331,690,986.10

Finding the Fourth Proportional to 1,149,552,003.70, 1,724,328,005.55 and 331,690,986.10

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Solution

The fourth proportional to 1,149,552,003.70, 1,724,328,005.55 and 331,690,986.10 is: 497,536,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,552,003.70 : 1,724,328,005.55 = 331,690,986.10 : x
  2. Step 2: Convert to fraction form
    1,149,552,003.70/1,724,328,005.55 = 331,690,986.10/x
  3. Step 3: Cross multiply
    1,149,552,003.70x = 1,724,328,005.55 × 331,690,986.10
  4. Step 4: Simplify right side
    1,149,552,003.70x = 571,944,056,520,725,824
  5. Step 5: Solve for x
    x = 571,944,056,520,725,824/1,149,552,003.70
  6. Step 6: Final answer
    x = 497,536,479.15

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Double scale
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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.