Home / 646,768,361.58-969,798,248.36-318,522,056.46

Finding the Fourth Proportional to 646,768,361.58, 969,798,248.36 and 318,522,056.46

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Solution

The fourth proportional to 646,768,361.58, 969,798,248.36 and 318,522,056.46 is: 477,608,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,768,361.58 : 969,798,248.36 = 318,522,056.46 : x
  2. Step 2: Convert to fraction form
    646,768,361.58/969,798,248.36 = 318,522,056.46/x
  3. Step 3: Cross multiply
    646,768,361.58x = 969,798,248.36 × 318,522,056.46
  4. Step 4: Simplify right side
    646,768,361.58x = 308,902,132,418,932,992
  5. Step 5: Solve for x
    x = 308,902,132,418,932,992/646,768,361.58
  6. Step 6: Final answer
    x = 477,608,601.11

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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.