Home / 2,130,284,928.60-3,193,159,911.30-819,680,563.80

Finding the Fourth Proportional to 2,130,284,928.60, 3,193,159,911.30 and 819,680,563.80

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Solution

The fourth proportional to 2,130,284,928.60, 3,193,159,911.30 and 819,680,563.80 is: 1,228,648,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,284,928.60 : 3,193,159,911.30 = 819,680,563.80 : x
  2. Step 2: Convert to fraction form
    2,130,284,928.60/3,193,159,911.30 = 819,680,563.80/x
  3. Step 3: Cross multiply
    2,130,284,928.60x = 3,193,159,911.30 × 819,680,563.80
  4. Step 4: Simplify right side
    2,130,284,928.60x = 2,617,371,116,397,941,760
  5. Step 5: Solve for x
    x = 2,617,371,116,397,941,760/2,130,284,928.60
  6. Step 6: Final answer
    x = 1,228,648,375.28

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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.