Home / 20,498,954,838.40-30,748,432,257.60-5,776,976,256.40

Finding the Fourth Proportional to 20,498,954,838.40, 30,748,432,257.60 and 5,776,976,256.40

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Solution

The fourth proportional to 20,498,954,838.40, 30,748,432,257.60 and 5,776,976,256.40 is: 8,665,464,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,954,838.40 : 30,748,432,257.60 = 5,776,976,256.40 : x
  2. Step 2: Convert to fraction form
    20,498,954,838.40/30,748,432,257.60 = 5,776,976,256.40/x
  3. Step 3: Cross multiply
    20,498,954,838.40x = 30,748,432,257.60 × 5,776,976,256.40
  4. Step 4: Simplify right side
    20,498,954,838.40x = 177,632,963,073,679,032,320
  5. Step 5: Solve for x
    x = 177,632,963,073,679,032,320/20,498,954,838.40
  6. Step 6: Final answer
    x = 8,665,464,384.60

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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.