Home / 693,836,656.12-957,708,989.07-446,318,010.37

Finding the Fourth Proportional to 693,836,656.12, 957,708,989.07 and 446,318,010.37

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Solution

The fourth proportional to 693,836,656.12, 957,708,989.07 and 446,318,010.37 is: 616,056,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,836,656.12 : 957,708,989.07 = 446,318,010.37 : x
  2. Step 2: Convert to fraction form
    693,836,656.12/957,708,989.07 = 446,318,010.37/x
  3. Step 3: Cross multiply
    693,836,656.12x = 957,708,989.07 × 446,318,010.37
  4. Step 4: Simplify right side
    693,836,656.12x = 427,442,770,515,186,496
  5. Step 5: Solve for x
    x = 427,442,770,515,186,496/693,836,656.12
  6. Step 6: Final answer
    x = 616,056,771.78

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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.