Home / 654,827,107.60-982,377,130.20-218,263,416.40

Finding the Fourth Proportional to 654,827,107.60, 982,377,130.20 and 218,263,416.40

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Solution

The fourth proportional to 654,827,107.60, 982,377,130.20 and 218,263,416.40 is: 327,440,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,827,107.60 : 982,377,130.20 = 218,263,416.40 : x
  2. Step 2: Convert to fraction form
    654,827,107.60/982,377,130.20 = 218,263,416.40/x
  3. Step 3: Cross multiply
    654,827,107.60x = 982,377,130.20 × 218,263,416.40
  4. Step 4: Simplify right side
    654,827,107.60x = 214,416,988,630,679,616
  5. Step 5: Solve for x
    x = 214,416,988,630,679,616/654,827,107.60
  6. Step 6: Final answer
    x = 327,440,611.64

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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.