Home / 281,232,007.60-393,993,549.20-281,232,007.60

Finding the Fourth Proportional to 281,232,007.60, 393,993,549.20 and 281,232,007.60

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Solution

The fourth proportional to 281,232,007.60, 393,993,549.20 and 281,232,007.60 is: 393,993,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,232,007.60 : 393,993,549.20 = 281,232,007.60 : x
  2. Step 2: Convert to fraction form
    281,232,007.60/393,993,549.20 = 281,232,007.60/x
  3. Step 3: Cross multiply
    281,232,007.60x = 393,993,549.20 × 281,232,007.60
  4. Step 4: Simplify right side
    281,232,007.60x = 110,803,596,822,965,376
  5. Step 5: Solve for x
    x = 110,803,596,822,965,376/281,232,007.60
  6. Step 6: Final answer
    x = 393,993,549.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.