Home / 18,668,232,802.20-28,002,349,203.30-15,443,370,082.20

Finding the Fourth Proportional to 18,668,232,802.20, 28,002,349,203.30 and 15,443,370,082.20

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Solution

The fourth proportional to 18,668,232,802.20, 28,002,349,203.30 and 15,443,370,082.20 is: 23,165,055,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,232,802.20 : 28,002,349,203.30 = 15,443,370,082.20 : x
  2. Step 2: Convert to fraction form
    18,668,232,802.20/28,002,349,203.30 = 15,443,370,082.20/x
  3. Step 3: Cross multiply
    18,668,232,802.20x = 28,002,349,203.30 × 15,443,370,082.20
  4. Step 4: Simplify right side
    18,668,232,802.20x = 432,450,641,917,560,225,792
  5. Step 5: Solve for x
    x = 432,450,641,917,560,225,792/18,668,232,802.20
  6. Step 6: Final answer
    x = 23,165,055,123.30

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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.