Home / 868,162,757.60-1,302,244,136.40-221,896,287.20

Finding the Fourth Proportional to 868,162,757.60, 1,302,244,136.40 and 221,896,287.20

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Solution

The fourth proportional to 868,162,757.60, 1,302,244,136.40 and 221,896,287.20 is: 332,844,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,162,757.60 : 1,302,244,136.40 = 221,896,287.20 : x
  2. Step 2: Convert to fraction form
    868,162,757.60/1,302,244,136.40 = 221,896,287.20/x
  3. Step 3: Cross multiply
    868,162,757.60x = 1,302,244,136.40 × 221,896,287.20
  4. Step 4: Simplify right side
    868,162,757.60x = 288,963,138,895,130,368
  5. Step 5: Solve for x
    x = 288,963,138,895,130,368/868,162,757.60
  6. Step 6: Final answer
    x = 332,844,430.80

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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.