Home / 470,353,177-649,123,742.46-282,188,552.20

Finding the Fourth Proportional to 470,353,177, 649,123,742.46 and 282,188,552.20

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Solution

The fourth proportional to 470,353,177, 649,123,742.46 and 282,188,552.20 is: 389,442,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,353,177 : 649,123,742.46 = 282,188,552.20 : x
  2. Step 2: Convert to fraction form
    470,353,177/649,123,742.46 = 282,188,552.20/x
  3. Step 3: Cross multiply
    470,353,177x = 649,123,742.46 × 282,188,552.20
  4. Step 4: Simplify right side
    470,353,177x = 183,175,289,083,433,056
  5. Step 5: Solve for x
    x = 183,175,289,083,433,056/470,353,177
  6. Step 6: Final answer
    x = 389,442,015.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.