Home / 702,732,427.26-969,770,839.95-389,486,864.22

Finding the Fourth Proportional to 702,732,427.26, 969,770,839.95 and 389,486,864.22

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Solution

The fourth proportional to 702,732,427.26, 969,770,839.95 and 389,486,864.22 is: 537,491,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,732,427.26 : 969,770,839.95 = 389,486,864.22 : x
  2. Step 2: Convert to fraction form
    702,732,427.26/969,770,839.95 = 389,486,864.22/x
  3. Step 3: Cross multiply
    702,732,427.26x = 969,770,839.95 × 389,486,864.22
  4. Step 4: Simplify right side
    702,732,427.26x = 377,713,003,464,121,024
  5. Step 5: Solve for x
    x = 377,713,003,464,121,024/702,732,427.26
  6. Step 6: Final answer
    x = 537,491,922.69

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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.