Home / 2,125,768,015.40-3,188,652,023.10-1,574,769,986.60

Finding the Fourth Proportional to 2,125,768,015.40, 3,188,652,023.10 and 1,574,769,986.60

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Solution

The fourth proportional to 2,125,768,015.40, 3,188,652,023.10 and 1,574,769,986.60 is: 2,362,154,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,768,015.40 : 3,188,652,023.10 = 1,574,769,986.60 : x
  2. Step 2: Convert to fraction form
    2,125,768,015.40/3,188,652,023.10 = 1,574,769,986.60/x
  3. Step 3: Cross multiply
    2,125,768,015.40x = 3,188,652,023.10 × 1,574,769,986.60
  4. Step 4: Simplify right side
    2,125,768,015.40x = 5,021,393,503,689,249,792
  5. Step 5: Solve for x
    x = 5,021,393,503,689,249,792/2,125,768,015.40
  6. Step 6: Final answer
    x = 2,362,154,979.90

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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.