Home / 402,410,716.30-603,616,074.45-218,744,706.70

Finding the Fourth Proportional to 402,410,716.30, 603,616,074.45 and 218,744,706.70

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Solution

The fourth proportional to 402,410,716.30, 603,616,074.45 and 218,744,706.70 is: 328,117,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,410,716.30 : 603,616,074.45 = 218,744,706.70 : x
  2. Step 2: Convert to fraction form
    402,410,716.30/603,616,074.45 = 218,744,706.70/x
  3. Step 3: Cross multiply
    402,410,716.30x = 603,616,074.45 × 218,744,706.70
  4. Step 4: Simplify right side
    402,410,716.30x = 132,037,821,164,970,624
  5. Step 5: Solve for x
    x = 132,037,821,164,970,624/402,410,716.30
  6. Step 6: Final answer
    x = 328,117,060.05

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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.