Home / 402,601,110.70-603,901,666.05-208,890,866.20

Finding the Fourth Proportional to 402,601,110.70, 603,901,666.05 and 208,890,866.20

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Solution

The fourth proportional to 402,601,110.70, 603,901,666.05 and 208,890,866.20 is: 313,336,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,601,110.70 : 603,901,666.05 = 208,890,866.20 : x
  2. Step 2: Convert to fraction form
    402,601,110.70/603,901,666.05 = 208,890,866.20/x
  3. Step 3: Cross multiply
    402,601,110.70x = 603,901,666.05 × 208,890,866.20
  4. Step 4: Simplify right side
    402,601,110.70x = 126,149,542,120,807,616
  5. Step 5: Solve for x
    x = 126,149,542,120,807,616/402,601,110.70
  6. Step 6: Final answer
    x = 313,336,299.30

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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.