Home / 393,625,792.20-590,210,258.24-186,362,462.80

Finding the Fourth Proportional to 393,625,792.20, 590,210,258.24 and 186,362,462.80

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Solution

The fourth proportional to 393,625,792.20, 590,210,258.24 and 186,362,462.80 is: 279,435,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,625,792.20 : 590,210,258.24 = 186,362,462.80 : x
  2. Step 2: Convert to fraction form
    393,625,792.20/590,210,258.24 = 186,362,462.80/x
  3. Step 3: Cross multiply
    393,625,792.20x = 590,210,258.24 × 186,362,462.80
  4. Step 4: Simplify right side
    393,625,792.20x = 109,993,037,295,430,400
  5. Step 5: Solve for x
    x = 109,993,037,295,430,400/393,625,792.20
  6. Step 6: Final answer
    x = 279,435,543.80

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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.