Home / 509,814,613,991.88-764,344,921,349.70-308,311,551,568.80

Finding the Fourth Proportional to 509,814,613,991.88, 764,344,921,349.70 and 308,311,551,568.80

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Solution

The fourth proportional to 509,814,613,991.88, 764,344,921,349.70 and 308,311,551,568.80 is: 462,239,335,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,814,613,991.88 : 764,344,921,349.70 = 308,311,551,568.80 : x
  2. Step 2: Convert to fraction form
    509,814,613,991.88/764,344,921,349.70 = 308,311,551,568.80/x
  3. Step 3: Cross multiply
    509,814,613,991.88x = 764,344,921,349.70 × 308,311,551,568.80
  4. Step 4: Simplify right side
    509,814,613,991.88x = 235,656,368,635,058,386,370,560
  5. Step 5: Solve for x
    x = 235,656,368,635,058,386,370,560/509,814,613,991.88
  6. Step 6: Final answer
    x = 462,239,335,961.47

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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.