Home / 472,394,140.80-708,591,211.20-242,811,628.80

Finding the Fourth Proportional to 472,394,140.80, 708,591,211.20 and 242,811,628.80

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Solution

The fourth proportional to 472,394,140.80, 708,591,211.20 and 242,811,628.80 is: 364,217,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,140.80 : 708,591,211.20 = 242,811,628.80 : x
  2. Step 2: Convert to fraction form
    472,394,140.80/708,591,211.20 = 242,811,628.80/x
  3. Step 3: Cross multiply
    472,394,140.80x = 708,591,211.20 × 242,811,628.80
  4. Step 4: Simplify right side
    472,394,140.80x = 172,054,186,144,836,832
  5. Step 5: Solve for x
    x = 172,054,186,144,836,832/472,394,140.80
  6. Step 6: Final answer
    x = 364,217,443.20

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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.