Home / 20,498,954,836.40-30,748,432,254.60-5,776,976,254.40

Finding the Fourth Proportional to 20,498,954,836.40, 30,748,432,254.60 and 5,776,976,254.40

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Solution

The fourth proportional to 20,498,954,836.40, 30,748,432,254.60 and 5,776,976,254.40 is: 8,665,464,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,954,836.40 : 30,748,432,254.60 = 5,776,976,254.40 : x
  2. Step 2: Convert to fraction form
    20,498,954,836.40/30,748,432,254.60 = 5,776,976,254.40/x
  3. Step 3: Cross multiply
    20,498,954,836.40x = 30,748,432,254.60 × 5,776,976,254.40
  4. Step 4: Simplify right side
    20,498,954,836.40x = 177,632,962,994,851,250,176
  5. Step 5: Solve for x
    x = 177,632,962,994,851,250,176/20,498,954,836.40
  6. Step 6: Final answer
    x = 8,665,464,381.60

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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.