Home / 693,397,364.68-1,040,081,474.96-168,769,393.52

Finding the Fourth Proportional to 693,397,364.68, 1,040,081,474.96 and 168,769,393.52

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Solution

The fourth proportional to 693,397,364.68, 1,040,081,474.96 and 168,769,393.52 is: 253,150,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,397,364.68 : 1,040,081,474.96 = 168,769,393.52 : x
  2. Step 2: Convert to fraction form
    693,397,364.68/1,040,081,474.96 = 168,769,393.52/x
  3. Step 3: Cross multiply
    693,397,364.68x = 1,040,081,474.96 × 168,769,393.52
  4. Step 4: Simplify right side
    693,397,364.68x = 175,533,919,740,386,272
  5. Step 5: Solve for x
    x = 175,533,919,740,386,272/693,397,364.68
  6. Step 6: Final answer
    x = 253,150,543.51

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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.