Home / 627,840,122.40-941,928,145.20-446,441,594.40

Finding the Fourth Proportional to 627,840,122.40, 941,928,145.20 and 446,441,594.40

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Solution

The fourth proportional to 627,840,122.40, 941,928,145.20 and 446,441,594.40 is: 669,781,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,840,122.40 : 941,928,145.20 = 446,441,594.40 : x
  2. Step 2: Convert to fraction form
    627,840,122.40/941,928,145.20 = 446,441,594.40/x
  3. Step 3: Cross multiply
    627,840,122.40x = 941,928,145.20 × 446,441,594.40
  4. Step 4: Simplify right side
    627,840,122.40x = 420,515,902,953,322,688
  5. Step 5: Solve for x
    x = 420,515,902,953,322,688/627,840,122.40
  6. Step 6: Final answer
    x = 669,781,824.94

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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.