Home / 1,131,036,069.20-1,696,554,103.80-313,148,370.20

Finding the Fourth Proportional to 1,131,036,069.20, 1,696,554,103.80 and 313,148,370.20

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Solution

The fourth proportional to 1,131,036,069.20, 1,696,554,103.80 and 313,148,370.20 is: 469,722,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,036,069.20 : 1,696,554,103.80 = 313,148,370.20 : x
  2. Step 2: Convert to fraction form
    1,131,036,069.20/1,696,554,103.80 = 313,148,370.20/x
  3. Step 3: Cross multiply
    1,131,036,069.20x = 1,696,554,103.80 × 313,148,370.20
  4. Step 4: Simplify right side
    1,131,036,069.20x = 531,273,152,561,091,584
  5. Step 5: Solve for x
    x = 531,273,152,561,091,584/1,131,036,069.20
  6. Step 6: Final answer
    x = 469,722,555.30

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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.