Home / 654,851,838.60-982,414,226.70-218,288,147.40

Finding the Fourth Proportional to 654,851,838.60, 982,414,226.70 and 218,288,147.40

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Solution

The fourth proportional to 654,851,838.60, 982,414,226.70 and 218,288,147.40 is: 327,477,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,851,838.60 : 982,414,226.70 = 218,288,147.40 : x
  2. Step 2: Convert to fraction form
    654,851,838.60/982,414,226.70 = 218,288,147.40/x
  3. Step 3: Cross multiply
    654,851,838.60x = 982,414,226.70 × 218,288,147.40
  4. Step 4: Simplify right side
    654,851,838.60x = 214,449,381,525,746,624
  5. Step 5: Solve for x
    x = 214,449,381,525,746,624/654,851,838.60
  6. Step 6: Final answer
    x = 327,477,711.58

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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.