Home / 470,529,481.05-649,327,100.45-258,831,764.79

Finding the Fourth Proportional to 470,529,481.05, 649,327,100.45 and 258,831,764.79

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Solution

The fourth proportional to 470,529,481.05, 649,327,100.45 and 258,831,764.79 is: 357,185,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,529,481.05 : 649,327,100.45 = 258,831,764.79 : x
  2. Step 2: Convert to fraction form
    470,529,481.05/649,327,100.45 = 258,831,764.79/x
  3. Step 3: Cross multiply
    470,529,481.05x = 649,327,100.45 × 258,831,764.79
  4. Step 4: Simplify right side
    470,529,481.05x = 168,066,479,334,152,960
  5. Step 5: Solve for x
    x = 168,066,479,334,152,960/470,529,481.05
  6. Step 6: Final answer
    x = 357,185,864.23

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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.