Home / 479,578,975.62-661,835,034.27-293,904,133.62

Finding the Fourth Proportional to 479,578,975.62, 661,835,034.27 and 293,904,133.62

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Solution

The fourth proportional to 479,578,975.62, 661,835,034.27 and 293,904,133.62 is: 405,597,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,578,975.62 : 661,835,034.27 = 293,904,133.62 : x
  2. Step 2: Convert to fraction form
    479,578,975.62/661,835,034.27 = 293,904,133.62/x
  3. Step 3: Cross multiply
    479,578,975.62x = 661,835,034.27 × 293,904,133.62
  4. Step 4: Simplify right side
    479,578,975.62x = 194,516,052,346,487,360
  5. Step 5: Solve for x
    x = 194,516,052,346,487,360/479,578,975.62
  6. Step 6: Final answer
    x = 405,597,539.16

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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.