Home / 402,974,996.70-603,454,725.45-322,353,428.70

Finding the Fourth Proportional to 402,974,996.70, 603,454,725.45 and 322,353,428.70

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Solution

The fourth proportional to 402,974,996.70, 603,454,725.45 and 322,353,428.70 is: 482,723,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,974,996.70 : 603,454,725.45 = 322,353,428.70 : x
  2. Step 2: Convert to fraction form
    402,974,996.70/603,454,725.45 = 322,353,428.70/x
  3. Step 3: Cross multiply
    402,974,996.70x = 603,454,725.45 × 322,353,428.70
  4. Step 4: Simplify right side
    402,974,996.70x = 194,525,699,814,024,672
  5. Step 5: Solve for x
    x = 194,525,699,814,024,672/402,974,996.70
  6. Step 6: Final answer
    x = 482,723,993.81

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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.