Home / 1,691,136,287.30-2,536,704,430.95-1,568,692,280.90

Finding the Fourth Proportional to 1,691,136,287.30, 2,536,704,430.95 and 1,568,692,280.90

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Solution

The fourth proportional to 1,691,136,287.30, 2,536,704,430.95 and 1,568,692,280.90 is: 2,353,038,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,136,287.30 : 2,536,704,430.95 = 1,568,692,280.90 : x
  2. Step 2: Convert to fraction form
    1,691,136,287.30/2,536,704,430.95 = 1,568,692,280.90/x
  3. Step 3: Cross multiply
    1,691,136,287.30x = 2,536,704,430.95 × 1,568,692,280.90
  4. Step 4: Simplify right side
    1,691,136,287.30x = 3,979,308,659,756,091,904
  5. Step 5: Solve for x
    x = 3,979,308,659,756,091,904/1,691,136,287.30
  6. Step 6: Final answer
    x = 2,353,038,421.35

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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.