Home / 408,812,821.77-564,163,986.13-232,600,813.48

Finding the Fourth Proportional to 408,812,821.77, 564,163,986.13 and 232,600,813.48

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Solution

The fourth proportional to 408,812,821.77, 564,163,986.13 and 232,600,813.48 is: 320,990,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,812,821.77 : 564,163,986.13 = 232,600,813.48 : x
  2. Step 2: Convert to fraction form
    408,812,821.77/564,163,986.13 = 232,600,813.48/x
  3. Step 3: Cross multiply
    408,812,821.77x = 564,163,986.13 × 232,600,813.48
  4. Step 4: Simplify right side
    408,812,821.77x = 131,225,002,111,390,672
  5. Step 5: Solve for x
    x = 131,225,002,111,390,672/408,812,821.77
  6. Step 6: Final answer
    x = 320,990,426.72

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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.