Home / 797,948,278.82-1,195,884,084.07-324,695,682.88

Finding the Fourth Proportional to 797,948,278.82, 1,195,884,084.07 and 324,695,682.88

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Solution

The fourth proportional to 797,948,278.82, 1,195,884,084.07 and 324,695,682.88 is: 486,621,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,948,278.82 : 1,195,884,084.07 = 324,695,682.88 : x
  2. Step 2: Convert to fraction form
    797,948,278.82/1,195,884,084.07 = 324,695,682.88/x
  3. Step 3: Cross multiply
    797,948,278.82x = 1,195,884,084.07 × 324,695,682.88
  4. Step 4: Simplify right side
    797,948,278.82x = 388,298,399,319,831,872
  5. Step 5: Solve for x
    x = 388,298,399,319,831,872/797,948,278.82
  6. Step 6: Final answer
    x = 486,621,012.45

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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.