Home / 470,890,860.97-705,861,473.25-296,138,783.84

Finding the Fourth Proportional to 470,890,860.97, 705,861,473.25 and 296,138,783.84

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Solution

The fourth proportional to 470,890,860.97, 705,861,473.25 and 296,138,783.84 is: 443,909,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,890,860.97 : 705,861,473.25 = 296,138,783.84 : x
  2. Step 2: Convert to fraction form
    470,890,860.97/705,861,473.25 = 296,138,783.84/x
  3. Step 3: Cross multiply
    470,890,860.97x = 705,861,473.25 × 296,138,783.84
  4. Step 4: Simplify right side
    470,890,860.97x = 209,032,958,250,471,072
  5. Step 5: Solve for x
    x = 209,032,958,250,471,072/470,890,860.97
  6. Step 6: Final answer
    x = 443,909,567.11

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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.