Home / 479,011,945.62-718,513,128.38-151,487,514.52

Finding the Fourth Proportional to 479,011,945.62, 718,513,128.38 and 151,487,514.52

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Solution

The fourth proportional to 479,011,945.62, 718,513,128.38 and 151,487,514.52 is: 227,229,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,011,945.62 : 718,513,128.38 = 151,487,514.52 : x
  2. Step 2: Convert to fraction form
    479,011,945.62/718,513,128.38 = 151,487,514.52/x
  3. Step 3: Cross multiply
    479,011,945.62x = 718,513,128.38 × 151,487,514.52
  4. Step 4: Simplify right side
    479,011,945.62x = 108,845,767,968,275,888
  5. Step 5: Solve for x
    x = 108,845,767,968,275,888/479,011,945.62
  6. Step 6: Final answer
    x = 227,229,756.93

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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.