Home / 402,974,983.20-603,454,705.20-322,353,415.20

Finding the Fourth Proportional to 402,974,983.20, 603,454,705.20 and 322,353,415.20

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Solution

The fourth proportional to 402,974,983.20, 603,454,705.20 and 322,353,415.20 is: 482,723,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,974,983.20 : 603,454,705.20 = 322,353,415.20 : x
  2. Step 2: Convert to fraction form
    402,974,983.20/603,454,705.20 = 322,353,415.20/x
  3. Step 3: Cross multiply
    402,974,983.20x = 603,454,705.20 × 322,353,415.20
  4. Step 4: Simplify right side
    402,974,983.20x = 194,525,685,139,729,216
  5. Step 5: Solve for x
    x = 194,525,685,139,729,216/402,974,983.20
  6. Step 6: Final answer
    x = 482,723,973.57

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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.