Home / 896,136,480-1,344,204,720-215,332,128

Finding the Fourth Proportional to 896,136,480, 1,344,204,720 and 215,332,128

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Solution

The fourth proportional to 896,136,480, 1,344,204,720 and 215,332,128 is: 322,998,192

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,136,480 : 1,344,204,720 = 215,332,128 : x
  2. Step 2: Convert to fraction form
    896,136,480/1,344,204,720 = 215,332,128/x
  3. Step 3: Cross multiply
    896,136,480x = 1,344,204,720 × 215,332,128
  4. Step 4: Simplify right side
    896,136,480x = 289,450,462,825,244,160
  5. Step 5: Solve for x
    x = 289,450,462,825,244,160/896,136,480
  6. Step 6: Final answer
    x = 322,998,192

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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.