Home / 402,529,462.80-603,475,329.60-220,776,640.80

Finding the Fourth Proportional to 402,529,462.80, 603,475,329.60 and 220,776,640.80

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Solution

The fourth proportional to 402,529,462.80, 603,475,329.60 and 220,776,640.80 is: 330,990,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,529,462.80 : 603,475,329.60 = 220,776,640.80 : x
  2. Step 2: Convert to fraction form
    402,529,462.80/603,475,329.60 = 220,776,640.80/x
  3. Step 3: Cross multiply
    402,529,462.80x = 603,475,329.60 × 220,776,640.80
  4. Step 4: Simplify right side
    402,529,462.80x = 133,233,256,074,760,816
  5. Step 5: Solve for x
    x = 133,233,256,074,760,816/402,529,462.80
  6. Step 6: Final answer
    x = 330,990,072.50

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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.