Home / 294,335,998.20-441,503,997.30-288,289,380.60

Finding the Fourth Proportional to 294,335,998.20, 441,503,997.30 and 288,289,380.60

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Solution

The fourth proportional to 294,335,998.20, 441,503,997.30 and 288,289,380.60 is: 432,434,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,335,998.20 : 441,503,997.30 = 288,289,380.60 : x
  2. Step 2: Convert to fraction form
    294,335,998.20/441,503,997.30 = 288,289,380.60/x
  3. Step 3: Cross multiply
    294,335,998.20x = 441,503,997.30 × 288,289,380.60
  4. Step 4: Simplify right side
    294,335,998.20x = 127,280,913,914,041,088
  5. Step 5: Solve for x
    x = 127,280,913,914,041,088/294,335,998.20
  6. Step 6: Final answer
    x = 432,434,070.90

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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.