Home / 405,320,550.68-607,762,295.50-218,674,534.88

Finding the Fourth Proportional to 405,320,550.68, 607,762,295.50 and 218,674,534.88

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Solution

The fourth proportional to 405,320,550.68, 607,762,295.50 and 218,674,534.88 is: 327,893,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,320,550.68 : 607,762,295.50 = 218,674,534.88 : x
  2. Step 2: Convert to fraction form
    405,320,550.68/607,762,295.50 = 218,674,534.88/x
  3. Step 3: Cross multiply
    405,320,550.68x = 607,762,295.50 × 218,674,534.88
  4. Step 4: Simplify right side
    405,320,550.68x = 132,902,137,286,063,616
  5. Step 5: Solve for x
    x = 132,902,137,286,063,616/405,320,550.68
  6. Step 6: Final answer
    x = 327,893,902.90

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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.