Home / 393,625,776.02-590,210,233.92-186,362,446.64

Finding the Fourth Proportional to 393,625,776.02, 590,210,233.92 and 186,362,446.64

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Solution

The fourth proportional to 393,625,776.02, 590,210,233.92 and 186,362,446.64 is: 279,435,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,625,776.02 : 590,210,233.92 = 186,362,446.64 : x
  2. Step 2: Convert to fraction form
    393,625,776.02/590,210,233.92 = 186,362,446.64/x
  3. Step 3: Cross multiply
    393,625,776.02x = 590,210,233.92 × 186,362,446.64
  4. Step 4: Simplify right side
    393,625,776.02x = 109,993,023,222,346,848
  5. Step 5: Solve for x
    x = 109,993,023,222,346,848/393,625,776.02
  6. Step 6: Final answer
    x = 279,435,519.53

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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.