Home / 1,691,136,286.80-2,536,704,430.20-1,568,692,280.40

Finding the Fourth Proportional to 1,691,136,286.80, 2,536,704,430.20 and 1,568,692,280.40

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Solution

The fourth proportional to 1,691,136,286.80, 2,536,704,430.20 and 1,568,692,280.40 is: 2,353,038,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,136,286.80 : 2,536,704,430.20 = 1,568,692,280.40 : x
  2. Step 2: Convert to fraction form
    1,691,136,286.80/2,536,704,430.20 = 1,568,692,280.40/x
  3. Step 3: Cross multiply
    1,691,136,286.80x = 2,536,704,430.20 × 1,568,692,280.40
  4. Step 4: Simplify right side
    1,691,136,286.80x = 3,979,308,657,311,220,736
  5. Step 5: Solve for x
    x = 3,979,308,657,311,220,736/1,691,136,286.80
  6. Step 6: Final answer
    x = 2,353,038,420.60

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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.