Home / 419,909,738.10-629,864,607.15-247,297,701.30

Finding the Fourth Proportional to 419,909,738.10, 629,864,607.15 and 247,297,701.30

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Solution

The fourth proportional to 419,909,738.10, 629,864,607.15 and 247,297,701.30 is: 370,946,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,909,738.10 : 629,864,607.15 = 247,297,701.30 : x
  2. Step 2: Convert to fraction form
    419,909,738.10/629,864,607.15 = 247,297,701.30/x
  3. Step 3: Cross multiply
    419,909,738.10x = 629,864,607.15 × 247,297,701.30
  4. Step 4: Simplify right side
    419,909,738.10x = 155,764,069,478,422,560
  5. Step 5: Solve for x
    x = 155,764,069,478,422,560/419,909,738.10
  6. Step 6: Final answer
    x = 370,946,551.95

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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.