Home / 393,625,776.49-590,210,234.70-186,362,447.12

Finding the Fourth Proportional to 393,625,776.49, 590,210,234.70 and 186,362,447.12

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Solution

The fourth proportional to 393,625,776.49, 590,210,234.70 and 186,362,447.12 is: 279,435,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,625,776.49 : 590,210,234.70 = 186,362,447.12 : x
  2. Step 2: Convert to fraction form
    393,625,776.49/590,210,234.70 = 186,362,447.12/x
  3. Step 3: Cross multiply
    393,625,776.49x = 590,210,234.70 × 186,362,447.12
  4. Step 4: Simplify right side
    393,625,776.49x = 109,993,023,653,961,552
  5. Step 5: Solve for x
    x = 109,993,023,653,961,552/393,625,776.49
  6. Step 6: Final answer
    x = 279,435,520.30

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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.