Home / 492,014,368.20-738,033,362.10-146,979,251.40

Finding the Fourth Proportional to 492,014,368.20, 738,033,362.10 and 146,979,251.40

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Solution

The fourth proportional to 492,014,368.20, 738,033,362.10 and 146,979,251.40 is: 220,472,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,014,368.20 : 738,033,362.10 = 146,979,251.40 : x
  2. Step 2: Convert to fraction form
    492,014,368.20/738,033,362.10 = 146,979,251.40/x
  3. Step 3: Cross multiply
    492,014,368.20x = 738,033,362.10 × 146,979,251.40
  4. Step 4: Simplify right side
    492,014,368.20x = 108,475,591,069,683,136
  5. Step 5: Solve for x
    x = 108,475,591,069,683,136/492,014,368.20
  6. Step 6: Final answer
    x = 220,472,405.04

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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.