Home / 262,639,246.40-393,958,869.60-202,173,070.40

Finding the Fourth Proportional to 262,639,246.40, 393,958,869.60 and 202,173,070.40

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Solution

The fourth proportional to 262,639,246.40, 393,958,869.60 and 202,173,070.40 is: 303,259,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,639,246.40 : 393,958,869.60 = 202,173,070.40 : x
  2. Step 2: Convert to fraction form
    262,639,246.40/393,958,869.60 = 202,173,070.40/x
  3. Step 3: Cross multiply
    262,639,246.40x = 393,958,869.60 × 202,173,070.40
  4. Step 4: Simplify right side
    262,639,246.40x = 79,647,874,278,345,232
  5. Step 5: Solve for x
    x = 79,647,874,278,345,232/262,639,246.40
  6. Step 6: Final answer
    x = 303,259,605.60

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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.