Home / 969,609,972,021.60-1,337,839,832,405.40-578,900,632,824.70

Finding the Fourth Proportional to 969,609,972,021.60, 1,337,839,832,405.40 and 578,900,632,824.70

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Solution

The fourth proportional to 969,609,972,021.60, 1,337,839,832,405.40 and 578,900,632,824.70 is: 798,750,371,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,609,972,021.60 : 1,337,839,832,405.40 = 578,900,632,824.70 : x
  2. Step 2: Convert to fraction form
    969,609,972,021.60/1,337,839,832,405.40 = 578,900,632,824.70/x
  3. Step 3: Cross multiply
    969,609,972,021.60x = 1,337,839,832,405.40 × 578,900,632,824.70
  4. Step 4: Simplify right side
    969,609,972,021.60x = 774,476,325,597,576,555,397,120
  5. Step 5: Solve for x
    x = 774,476,325,597,576,555,397,120/969,609,972,021.60
  6. Step 6: Final answer
    x = 798,750,371,742.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.