Home / 285,240,197.49-394,000,717.68-235,879,957.41

Finding the Fourth Proportional to 285,240,197.49, 394,000,717.68 and 235,879,957.41

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Solution

The fourth proportional to 285,240,197.49, 394,000,717.68 and 235,879,957.41 is: 325,819,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,240,197.49 : 394,000,717.68 = 235,879,957.41 : x
  2. Step 2: Convert to fraction form
    285,240,197.49/394,000,717.68 = 235,879,957.41/x
  3. Step 3: Cross multiply
    285,240,197.49x = 394,000,717.68 × 235,879,957.41
  4. Step 4: Simplify right side
    285,240,197.49x = 92,936,872,505,867,840
  5. Step 5: Solve for x
    x = 92,936,872,505,867,840/285,240,197.49
  6. Step 6: Final answer
    x = 325,819,689.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.