Home / 492,185,087.40-738,277,631.10-412,160,716.20

Finding the Fourth Proportional to 492,185,087.40, 738,277,631.10 and 412,160,716.20

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Solution

The fourth proportional to 492,185,087.40, 738,277,631.10 and 412,160,716.20 is: 618,241,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,185,087.40 : 738,277,631.10 = 412,160,716.20 : x
  2. Step 2: Convert to fraction form
    492,185,087.40/738,277,631.10 = 412,160,716.20/x
  3. Step 3: Cross multiply
    492,185,087.40x = 738,277,631.10 × 412,160,716.20
  4. Step 4: Simplify right side
    492,185,087.40x = 304,289,037,188,615,424
  5. Step 5: Solve for x
    x = 304,289,037,188,615,424/492,185,087.40
  6. Step 6: Final answer
    x = 618,241,074.30

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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.