Home / 388,300,269.60-582,450,404.40-327,078,266.40

Finding the Fourth Proportional to 388,300,269.60, 582,450,404.40 and 327,078,266.40

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Solution

The fourth proportional to 388,300,269.60, 582,450,404.40 and 327,078,266.40 is: 490,617,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,300,269.60 : 582,450,404.40 = 327,078,266.40 : x
  2. Step 2: Convert to fraction form
    388,300,269.60/582,450,404.40 = 327,078,266.40/x
  3. Step 3: Cross multiply
    388,300,269.60x = 582,450,404.40 × 327,078,266.40
  4. Step 4: Simplify right side
    388,300,269.60x = 190,506,868,535,130,912
  5. Step 5: Solve for x
    x = 190,506,868,535,130,912/388,300,269.60
  6. Step 6: Final answer
    x = 490,617,399.60

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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.