Home / 969,609,972,021.10-1,337,839,832,404.70-578,900,632,824.15

Finding the Fourth Proportional to 969,609,972,021.10, 1,337,839,832,404.70 and 578,900,632,824.15

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Solution

The fourth proportional to 969,609,972,021.10, 1,337,839,832,404.70 and 578,900,632,824.15 is: 798,750,371,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,609,972,021.10 : 1,337,839,832,404.70 = 578,900,632,824.15 : x
  2. Step 2: Convert to fraction form
    969,609,972,021.10/1,337,839,832,404.70 = 578,900,632,824.15/x
  3. Step 3: Cross multiply
    969,609,972,021.10x = 1,337,839,832,404.70 × 578,900,632,824.15
  4. Step 4: Simplify right side
    969,609,972,021.10x = 774,476,325,596,435,570,491,392
  5. Step 5: Solve for x
    x = 774,476,325,596,435,570,491,392/969,609,972,021.10
  6. Step 6: Final answer
    x = 798,750,371,741.83

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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.