Home / 1,131,036,105.70-1,696,554,158.55-313,148,406.70

Finding the Fourth Proportional to 1,131,036,105.70, 1,696,554,158.55 and 313,148,406.70

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Solution

The fourth proportional to 1,131,036,105.70, 1,696,554,158.55 and 313,148,406.70 is: 469,722,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,036,105.70 : 1,696,554,158.55 = 313,148,406.70 : x
  2. Step 2: Convert to fraction form
    1,131,036,105.70/1,696,554,158.55 = 313,148,406.70/x
  3. Step 3: Cross multiply
    1,131,036,105.70x = 1,696,554,158.55 × 313,148,406.70
  4. Step 4: Simplify right side
    1,131,036,105.70x = 531,273,231,630,191,616
  5. Step 5: Solve for x
    x = 531,273,231,630,191,616/1,131,036,105.70
  6. Step 6: Final answer
    x = 469,722,610.05

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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.