Home / 373,247,998.80-559,871,998.20-209,317,477.20

Finding the Fourth Proportional to 373,247,998.80, 559,871,998.20 and 209,317,477.20

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Solution

The fourth proportional to 373,247,998.80, 559,871,998.20 and 209,317,477.20 is: 313,976,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,247,998.80 : 559,871,998.20 = 209,317,477.20 : x
  2. Step 2: Convert to fraction form
    373,247,998.80/559,871,998.20 = 209,317,477.20/x
  3. Step 3: Cross multiply
    373,247,998.80x = 559,871,998.20 × 209,317,477.20
  4. Step 4: Simplify right side
    373,247,998.80x = 117,190,994,218,146,944
  5. Step 5: Solve for x
    x = 117,190,994,218,146,944/373,247,998.80
  6. Step 6: Final answer
    x = 313,976,215.80

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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.