Home / 478,308,659,530.62-717,463,679,810.37-195,327,502,861.74

Finding the Fourth Proportional to 478,308,659,530.62, 717,463,679,810.37 and 195,327,502,861.74

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Solution

The fourth proportional to 478,308,659,530.62, 717,463,679,810.37 and 195,327,502,861.74 is: 292,991,536,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,308,659,530.62 : 717,463,679,810.37 = 195,327,502,861.74 : x
  2. Step 2: Convert to fraction form
    478,308,659,530.62/717,463,679,810.37 = 195,327,502,861.74/x
  3. Step 3: Cross multiply
    478,308,659,530.62x = 717,463,679,810.37 × 195,327,502,861.74
  4. Step 4: Simplify right side
    478,308,659,530.62x = 140,140,388,971,354,550,960,128
  5. Step 5: Solve for x
    x = 140,140,388,971,354,550,960,128/478,308,659,530.62
  6. Step 6: Final answer
    x = 292,991,536,278.85

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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.