Home / 418,078,361.46-627,077,019.66-126,948,043.32

Finding the Fourth Proportional to 418,078,361.46, 627,077,019.66 and 126,948,043.32

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Solution

The fourth proportional to 418,078,361.46, 627,077,019.66 and 126,948,043.32 is: 190,409,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,078,361.46 : 627,077,019.66 = 126,948,043.32 : x
  2. Step 2: Convert to fraction form
    418,078,361.46/627,077,019.66 = 126,948,043.32/x
  3. Step 3: Cross multiply
    418,078,361.46x = 627,077,019.66 × 126,948,043.32
  4. Step 4: Simplify right side
    418,078,361.46x = 79,606,200,656,774,160
  5. Step 5: Solve for x
    x = 79,606,200,656,774,160/418,078,361.46
  6. Step 6: Final answer
    x = 190,409,760.45

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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.