Home / 20,498,954,762.40-30,748,432,143.60-5,776,976,180.40

Finding the Fourth Proportional to 20,498,954,762.40, 30,748,432,143.60 and 5,776,976,180.40

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Solution

The fourth proportional to 20,498,954,762.40, 30,748,432,143.60 and 5,776,976,180.40 is: 8,665,464,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,954,762.40 : 30,748,432,143.60 = 5,776,976,180.40 : x
  2. Step 2: Convert to fraction form
    20,498,954,762.40/30,748,432,143.60 = 5,776,976,180.40/x
  3. Step 3: Cross multiply
    20,498,954,762.40x = 30,748,432,143.60 × 5,776,976,180.40
  4. Step 4: Simplify right side
    20,498,954,762.40x = 177,632,960,078,222,884,864
  5. Step 5: Solve for x
    x = 177,632,960,078,222,884,864/20,498,954,762.40
  6. Step 6: Final answer
    x = 8,665,464,270.60

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1.5x scale

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.