Home / 373,247,992.80-559,871,989.20-212,004,856.80

Finding the Fourth Proportional to 373,247,992.80, 559,871,989.20 and 212,004,856.80

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Solution

The fourth proportional to 373,247,992.80, 559,871,989.20 and 212,004,856.80 is: 318,007,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,247,992.80 : 559,871,989.20 = 212,004,856.80 : x
  2. Step 2: Convert to fraction form
    373,247,992.80/559,871,989.20 = 212,004,856.80/x
  3. Step 3: Cross multiply
    373,247,992.80x = 559,871,989.20 × 212,004,856.80
  4. Step 4: Simplify right side
    373,247,992.80x = 118,695,580,896,677,168
  5. Step 5: Solve for x
    x = 118,695,580,896,677,168/373,247,992.80
  6. Step 6: Final answer
    x = 318,007,285.20

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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.