Home / 1,213,798,870.44-1,820,622,722.94-747,549,016.20

Finding the Fourth Proportional to 1,213,798,870.44, 1,820,622,722.94 and 747,549,016.20

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Solution

The fourth proportional to 1,213,798,870.44, 1,820,622,722.94 and 747,549,016.20 is: 1,121,276,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,798,870.44 : 1,820,622,722.94 = 747,549,016.20 : x
  2. Step 2: Convert to fraction form
    1,213,798,870.44/1,820,622,722.94 = 747,549,016.20/x
  3. Step 3: Cross multiply
    1,213,798,870.44x = 1,820,622,722.94 × 747,549,016.20
  4. Step 4: Simplify right side
    1,213,798,870.44x = 1,361,004,725,405,162,240
  5. Step 5: Solve for x
    x = 1,361,004,725,405,162,240/1,213,798,870.44
  6. Step 6: Final answer
    x = 1,121,276,974.75

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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.