Home / 1,696,136,661.20-2,542,315,423.80-660,653,397.20

Finding the Fourth Proportional to 1,696,136,661.20, 2,542,315,423.80 and 660,653,397.20

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Solution

The fourth proportional to 1,696,136,661.20, 2,542,315,423.80 and 660,653,397.20 is: 990,244,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,136,661.20 : 2,542,315,423.80 = 660,653,397.20 : x
  2. Step 2: Convert to fraction form
    1,696,136,661.20/2,542,315,423.80 = 660,653,397.20/x
  3. Step 3: Cross multiply
    1,696,136,661.20x = 2,542,315,423.80 × 660,653,397.20
  4. Step 4: Simplify right side
    1,696,136,661.20x = 1,679,589,321,487,428,096
  5. Step 5: Solve for x
    x = 1,679,589,321,487,428,096/1,696,136,661.20
  6. Step 6: Final answer
    x = 990,244,099.96

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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.