Home / 2,079,506,138.40-3,120,453,601.20-787,968,525.60

Finding the Fourth Proportional to 2,079,506,138.40, 3,120,453,601.20 and 787,968,525.60

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Solution

The fourth proportional to 2,079,506,138.40, 3,120,453,601.20 and 787,968,525.60 is: 1,182,405,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,506,138.40 : 3,120,453,601.20 = 787,968,525.60 : x
  2. Step 2: Convert to fraction form
    2,079,506,138.40/3,120,453,601.20 = 787,968,525.60/x
  3. Step 3: Cross multiply
    2,079,506,138.40x = 3,120,453,601.20 × 787,968,525.60
  4. Step 4: Simplify right side
    2,079,506,138.40x = 2,458,819,223,340,774,400
  5. Step 5: Solve for x
    x = 2,458,819,223,340,774,400/2,079,506,138.40
  6. Step 6: Final answer
    x = 1,182,405,369.21

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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.