Home / 297,880,648.61-411,079,078.23-163,933,986.92

Finding the Fourth Proportional to 297,880,648.61, 411,079,078.23 and 163,933,986.92

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Solution

The fourth proportional to 297,880,648.61, 411,079,078.23 and 163,933,986.92 is: 226,230,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,880,648.61 : 411,079,078.23 = 163,933,986.92 : x
  2. Step 2: Convert to fraction form
    297,880,648.61/411,079,078.23 = 163,933,986.92/x
  3. Step 3: Cross multiply
    297,880,648.61x = 411,079,078.23 × 163,933,986.92
  4. Step 4: Simplify right side
    297,880,648.61x = 67,389,832,233,642,472
  5. Step 5: Solve for x
    x = 67,389,832,233,642,472/297,880,648.61
  6. Step 6: Final answer
    x = 226,230,983.95

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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.