Home / 2,079,506,151.40-3,120,453,620.70-787,968,538.60

Finding the Fourth Proportional to 2,079,506,151.40, 3,120,453,620.70 and 787,968,538.60

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Solution

The fourth proportional to 2,079,506,151.40, 3,120,453,620.70 and 787,968,538.60 is: 1,182,405,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,506,151.40 : 3,120,453,620.70 = 787,968,538.60 : x
  2. Step 2: Convert to fraction form
    2,079,506,151.40/3,120,453,620.70 = 787,968,538.60/x
  3. Step 3: Cross multiply
    2,079,506,151.40x = 3,120,453,620.70 × 787,968,538.60
  4. Step 4: Simplify right side
    2,079,506,151.40x = 2,458,819,279,272,057,856
  5. Step 5: Solve for x
    x = 2,458,819,279,272,057,856/2,079,506,151.40
  6. Step 6: Final answer
    x = 1,182,405,388.71

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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.