Home / 319,060,352.70-478,590,529.05-273,143,850.30

Finding the Fourth Proportional to 319,060,352.70, 478,590,529.05 and 273,143,850.30

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Solution

The fourth proportional to 319,060,352.70, 478,590,529.05 and 273,143,850.30 is: 409,715,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,060,352.70 : 478,590,529.05 = 273,143,850.30 : x
  2. Step 2: Convert to fraction form
    319,060,352.70/478,590,529.05 = 273,143,850.30/x
  3. Step 3: Cross multiply
    319,060,352.70x = 478,590,529.05 × 273,143,850.30
  4. Step 4: Simplify right side
    319,060,352.70x = 130,724,059,821,831,008
  5. Step 5: Solve for x
    x = 130,724,059,821,831,008/319,060,352.70
  6. Step 6: Final answer
    x = 409,715,775.45

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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.