Home / 470,529,478.05-649,327,096.31-258,831,761.79

Finding the Fourth Proportional to 470,529,478.05, 649,327,096.31 and 258,831,761.79

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Solution

The fourth proportional to 470,529,478.05, 649,327,096.31 and 258,831,761.79 is: 357,185,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,529,478.05 : 649,327,096.31 = 258,831,761.79 : x
  2. Step 2: Convert to fraction form
    470,529,478.05/649,327,096.31 = 258,831,761.79/x
  3. Step 3: Cross multiply
    470,529,478.05x = 649,327,096.31 × 258,831,761.79
  4. Step 4: Simplify right side
    470,529,478.05x = 168,066,476,314,608,128
  5. Step 5: Solve for x
    x = 168,066,476,314,608,128/470,529,478.05
  6. Step 6: Final answer
    x = 357,185,860.09

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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.