Home / 1,696,136,661.70-2,542,315,424.55-660,653,397.70

Finding the Fourth Proportional to 1,696,136,661.70, 2,542,315,424.55 and 660,653,397.70

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Solution

The fourth proportional to 1,696,136,661.70, 2,542,315,424.55 and 660,653,397.70 is: 990,244,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,136,661.70 : 2,542,315,424.55 = 660,653,397.70 : x
  2. Step 2: Convert to fraction form
    1,696,136,661.70/2,542,315,424.55 = 660,653,397.70/x
  3. Step 3: Cross multiply
    1,696,136,661.70x = 2,542,315,424.55 × 660,653,397.70
  4. Step 4: Simplify right side
    1,696,136,661.70x = 1,679,589,323,254,075,648
  5. Step 5: Solve for x
    x = 1,679,589,323,254,075,648/1,696,136,661.70
  6. Step 6: Final answer
    x = 990,244,100.71

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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.