Home / 314,929,679.70-472,394,519.55-271,847,529.30

Finding the Fourth Proportional to 314,929,679.70, 472,394,519.55 and 271,847,529.30

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Solution

The fourth proportional to 314,929,679.70, 472,394,519.55 and 271,847,529.30 is: 407,771,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,679.70 : 472,394,519.55 = 271,847,529.30 : x
  2. Step 2: Convert to fraction form
    314,929,679.70/472,394,519.55 = 271,847,529.30/x
  3. Step 3: Cross multiply
    314,929,679.70x = 472,394,519.55 × 271,847,529.30
  4. Step 4: Simplify right side
    314,929,679.70x = 128,419,282,994,528,064
  5. Step 5: Solve for x
    x = 128,419,282,994,528,064/314,929,679.70
  6. Step 6: Final answer
    x = 407,771,293.95

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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.