Home / 454,538,694.60-680,851,448.10-378,011,190.60

Finding the Fourth Proportional to 454,538,694.60, 680,851,448.10 and 378,011,190.60

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Solution

The fourth proportional to 454,538,694.60, 680,851,448.10 and 378,011,190.60 is: 566,221,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,538,694.60 : 680,851,448.10 = 378,011,190.60 : x
  2. Step 2: Convert to fraction form
    454,538,694.60/680,851,448.10 = 378,011,190.60/x
  3. Step 3: Cross multiply
    454,538,694.60x = 680,851,448.10 × 378,011,190.60
  4. Step 4: Simplify right side
    454,538,694.60x = 257,369,466,518,015,136
  5. Step 5: Solve for x
    x = 257,369,466,518,015,136/454,538,694.60
  6. Step 6: Final answer
    x = 566,221,247.11

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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.