Home / 402,961,715.70-603,434,803.95-322,340,147.70

Finding the Fourth Proportional to 402,961,715.70, 603,434,803.95 and 322,340,147.70

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Solution

The fourth proportional to 402,961,715.70, 603,434,803.95 and 322,340,147.70 is: 482,704,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,961,715.70 : 603,434,803.95 = 322,340,147.70 : x
  2. Step 2: Convert to fraction form
    402,961,715.70/603,434,803.95 = 322,340,147.70/x
  3. Step 3: Cross multiply
    402,961,715.70x = 603,434,803.95 × 322,340,147.70
  4. Step 4: Simplify right side
    402,961,715.70x = 194,511,263,832,563,552
  5. Step 5: Solve for x
    x = 194,511,263,832,563,552/402,961,715.70
  6. Step 6: Final answer
    x = 482,704,078.96

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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.