Home / 1,696,136,651.70-2,542,315,409.55-660,653,387.70

Finding the Fourth Proportional to 1,696,136,651.70, 2,542,315,409.55 and 660,653,387.70

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Solution

The fourth proportional to 1,696,136,651.70, 2,542,315,409.55 and 660,653,387.70 is: 990,244,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,136,651.70 : 2,542,315,409.55 = 660,653,387.70 : x
  2. Step 2: Convert to fraction form
    1,696,136,651.70/2,542,315,409.55 = 660,653,387.70/x
  3. Step 3: Cross multiply
    1,696,136,651.70x = 2,542,315,409.55 × 660,653,387.70
  4. Step 4: Simplify right side
    1,696,136,651.70x = 1,679,589,287,921,120,768
  5. Step 5: Solve for x
    x = 1,679,589,287,921,120,768/1,696,136,651.70
  6. Step 6: Final answer
    x = 990,244,085.72

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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.