Home / 478,308,659,527.12-717,463,679,805.12-195,327,502,858.22

Finding the Fourth Proportional to 478,308,659,527.12, 717,463,679,805.12 and 195,327,502,858.22

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Solution

The fourth proportional to 478,308,659,527.12, 717,463,679,805.12 and 195,327,502,858.22 is: 292,991,536,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,308,659,527.12 : 717,463,679,805.12 = 195,327,502,858.22 : x
  2. Step 2: Convert to fraction form
    478,308,659,527.12/717,463,679,805.12 = 195,327,502,858.22/x
  3. Step 3: Cross multiply
    478,308,659,527.12x = 717,463,679,805.12 × 195,327,502,858.22
  4. Step 4: Simplify right side
    478,308,659,527.12x = 140,140,388,967,803,619,639,296
  5. Step 5: Solve for x
    x = 140,140,388,967,803,619,639,296/478,308,659,527.12
  6. Step 6: Final answer
    x = 292,991,536,273.57

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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.