Home / 393,610,527.71-543,179,298.84-214,994,530.06

Finding the Fourth Proportional to 393,610,527.71, 543,179,298.84 and 214,994,530.06

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Solution

The fourth proportional to 393,610,527.71, 543,179,298.84 and 214,994,530.06 is: 296,690,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,610,527.71 : 543,179,298.84 = 214,994,530.06 : x
  2. Step 2: Convert to fraction form
    393,610,527.71/543,179,298.84 = 214,994,530.06/x
  3. Step 3: Cross multiply
    393,610,527.71x = 543,179,298.84 × 214,994,530.06
  4. Step 4: Simplify right side
    393,610,527.71x = 116,780,578,092,078,624
  5. Step 5: Solve for x
    x = 116,780,578,092,078,624/393,610,527.71
  6. Step 6: Final answer
    x = 296,690,687.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.