Home / 405,985,792.68-560,265,768.63-220,349,033.64

Finding the Fourth Proportional to 405,985,792.68, 560,265,768.63 and 220,349,033.64

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Solution

The fourth proportional to 405,985,792.68, 560,265,768.63 and 220,349,033.64 is: 304,084,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,985,792.68 : 560,265,768.63 = 220,349,033.64 : x
  2. Step 2: Convert to fraction form
    405,985,792.68/560,265,768.63 = 220,349,033.64/x
  3. Step 3: Cross multiply
    405,985,792.68x = 560,265,768.63 × 220,349,033.64
  4. Step 4: Simplify right side
    405,985,792.68x = 123,454,020,699,192,320
  5. Step 5: Solve for x
    x = 123,454,020,699,192,320/405,985,792.68
  6. Step 6: Final answer
    x = 304,084,583.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.