Home / 265,727,620.40-397,315,972.20-196,852,866.80

Finding the Fourth Proportional to 265,727,620.40, 397,315,972.20 and 196,852,866.80

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Solution

The fourth proportional to 265,727,620.40, 397,315,972.20 and 196,852,866.80 is: 294,334,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,727,620.40 : 397,315,972.20 = 196,852,866.80 : x
  2. Step 2: Convert to fraction form
    265,727,620.40/397,315,972.20 = 196,852,866.80/x
  3. Step 3: Cross multiply
    265,727,620.40x = 397,315,972.20 × 196,852,866.80
  4. Step 4: Simplify right side
    265,727,620.40x = 78,212,788,152,999,104
  5. Step 5: Solve for x
    x = 78,212,788,152,999,104/265,727,620.40
  6. Step 6: Final answer
    x = 294,334,431.76

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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.