Home / 492,047,979.40-738,071,969.10-200,818,311.40

Finding the Fourth Proportional to 492,047,979.40, 738,071,969.10 and 200,818,311.40

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Solution

The fourth proportional to 492,047,979.40, 738,071,969.10 and 200,818,311.40 is: 301,227,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,047,979.40 : 738,071,969.10 = 200,818,311.40 : x
  2. Step 2: Convert to fraction form
    492,047,979.40/738,071,969.10 = 200,818,311.40/x
  3. Step 3: Cross multiply
    492,047,979.40x = 738,071,969.10 × 200,818,311.40
  4. Step 4: Simplify right side
    492,047,979.40x = 148,218,366,526,334,976
  5. Step 5: Solve for x
    x = 148,218,366,526,334,976/492,047,979.40
  6. Step 6: Final answer
    x = 301,227,467.10

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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.