Home / 280,902,334.80-421,353,502.20-246,890,110.80

Finding the Fourth Proportional to 280,902,334.80, 421,353,502.20 and 246,890,110.80

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Solution

The fourth proportional to 280,902,334.80, 421,353,502.20 and 246,890,110.80 is: 370,335,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,902,334.80 : 421,353,502.20 = 246,890,110.80 : x
  2. Step 2: Convert to fraction form
    280,902,334.80/421,353,502.20 = 246,890,110.80/x
  3. Step 3: Cross multiply
    280,902,334.80x = 421,353,502.20 × 246,890,110.80
  4. Step 4: Simplify right side
    280,902,334.80x = 104,028,012,844,126,048
  5. Step 5: Solve for x
    x = 104,028,012,844,126,048/280,902,334.80
  6. Step 6: Final answer
    x = 370,335,166.20

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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.