Home / 470,529,489.06-649,327,111.48-258,831,772.80

Finding the Fourth Proportional to 470,529,489.06, 649,327,111.48 and 258,831,772.80

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Solution

The fourth proportional to 470,529,489.06, 649,327,111.48 and 258,831,772.80 is: 357,185,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,529,489.06 : 649,327,111.48 = 258,831,772.80 : x
  2. Step 2: Convert to fraction form
    470,529,489.06/649,327,111.48 = 258,831,772.80/x
  3. Step 3: Cross multiply
    470,529,489.06x = 649,327,111.48 × 258,831,772.80
  4. Step 4: Simplify right side
    470,529,489.06x = 168,066,487,391,471,648
  5. Step 5: Solve for x
    x = 168,066,487,391,471,648/470,529,489.06
  6. Step 6: Final answer
    x = 357,185,875.27

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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.