Home / 402,410,814.30-603,616,221.45-218,744,804.70

Finding the Fourth Proportional to 402,410,814.30, 603,616,221.45 and 218,744,804.70

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Solution

The fourth proportional to 402,410,814.30, 603,616,221.45 and 218,744,804.70 is: 328,117,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,410,814.30 : 603,616,221.45 = 218,744,804.70 : x
  2. Step 2: Convert to fraction form
    402,410,814.30/603,616,221.45 = 218,744,804.70/x
  3. Step 3: Cross multiply
    402,410,814.30x = 603,616,221.45 × 218,744,804.70
  4. Step 4: Simplify right side
    402,410,814.30x = 132,037,912,474,832,208
  5. Step 5: Solve for x
    x = 132,037,912,474,832,208/402,410,814.30
  6. Step 6: Final answer
    x = 328,117,207.05

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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.