Home / 492,047,991.40-738,071,987.10-200,818,323.40

Finding the Fourth Proportional to 492,047,991.40, 738,071,987.10 and 200,818,323.40

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Solution

The fourth proportional to 492,047,991.40, 738,071,987.10 and 200,818,323.40 is: 301,227,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,047,991.40 : 738,071,987.10 = 200,818,323.40 : x
  2. Step 2: Convert to fraction form
    492,047,991.40/738,071,987.10 = 200,818,323.40/x
  3. Step 3: Cross multiply
    492,047,991.40x = 738,071,987.10 × 200,818,323.40
  4. Step 4: Simplify right side
    492,047,991.40x = 148,218,378,997,928,448
  5. Step 5: Solve for x
    x = 148,218,378,997,928,448/492,047,991.40
  6. Step 6: Final answer
    x = 301,227,485.10

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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.