Home / 1,181,093,999.70-1,771,640,999.55-492,346,463.70

Finding the Fourth Proportional to 1,181,093,999.70, 1,771,640,999.55 and 492,346,463.70

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Solution

The fourth proportional to 1,181,093,999.70, 1,771,640,999.55 and 492,346,463.70 is: 738,519,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,093,999.70 : 1,771,640,999.55 = 492,346,463.70 : x
  2. Step 2: Convert to fraction form
    1,181,093,999.70/1,771,640,999.55 = 492,346,463.70/x
  3. Step 3: Cross multiply
    1,181,093,999.70x = 1,771,640,999.55 × 492,346,463.70
  4. Step 4: Simplify right side
    1,181,093,999.70x = 872,261,181,074,375,808
  5. Step 5: Solve for x
    x = 872,261,181,074,375,808/1,181,093,999.70
  6. Step 6: Final answer
    x = 738,519,695.55

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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.