Home / 472,827,604.20-709,241,406.30-255,149,370.60

Finding the Fourth Proportional to 472,827,604.20, 709,241,406.30 and 255,149,370.60

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Solution

The fourth proportional to 472,827,604.20, 709,241,406.30 and 255,149,370.60 is: 382,724,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,827,604.20 : 709,241,406.30 = 255,149,370.60 : x
  2. Step 2: Convert to fraction form
    472,827,604.20/709,241,406.30 = 255,149,370.60/x
  3. Step 3: Cross multiply
    472,827,604.20x = 709,241,406.30 × 255,149,370.60
  4. Step 4: Simplify right side
    472,827,604.20x = 180,962,498,420,903,872
  5. Step 5: Solve for x
    x = 180,962,498,420,903,872/472,827,604.20
  6. Step 6: Final answer
    x = 382,724,055.90

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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.