Home / 470,277,743.53-705,022,020.20-207,919,936.46

Finding the Fourth Proportional to 470,277,743.53, 705,022,020.20 and 207,919,936.46

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Solution

The fourth proportional to 470,277,743.53, 705,022,020.20 and 207,919,936.46 is: 311,705,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,277,743.53 : 705,022,020.20 = 207,919,936.46 : x
  2. Step 2: Convert to fraction form
    470,277,743.53/705,022,020.20 = 207,919,936.46/x
  3. Step 3: Cross multiply
    470,277,743.53x = 705,022,020.20 × 207,919,936.46
  4. Step 4: Simplify right side
    470,277,743.53x = 146,588,133,639,359,744
  5. Step 5: Solve for x
    x = 146,588,133,639,359,744/470,277,743.53
  6. Step 6: Final answer
    x = 311,705,445.68

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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.