Home / 477,724,299,758.32-659,259,508,450.80-257,992,970,728.62

Finding the Fourth Proportional to 477,724,299,758.32, 659,259,508,450.80 and 257,992,970,728.62

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Solution

The fourth proportional to 477,724,299,758.32, 659,259,508,450.80 and 257,992,970,728.62 is: 356,030,285,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,299,758.32 : 659,259,508,450.80 = 257,992,970,728.62 : x
  2. Step 2: Convert to fraction form
    477,724,299,758.32/659,259,508,450.80 = 257,992,970,728.62/x
  3. Step 3: Cross multiply
    477,724,299,758.32x = 659,259,508,450.80 × 257,992,970,728.62
  4. Step 4: Simplify right side
    477,724,299,758.32x = 170,084,319,066,311,670,890,496
  5. Step 5: Solve for x
    x = 170,084,319,066,311,670,890,496/477,724,299,758.32
  6. Step 6: Final answer
    x = 356,030,285,987.87

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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.