Home / 643,808,313.06-888,404,817.58-365,349,835.68

Finding the Fourth Proportional to 643,808,313.06, 888,404,817.58 and 365,349,835.68

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Solution

The fourth proportional to 643,808,313.06, 888,404,817.58 and 365,349,835.68 is: 504,154,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,808,313.06 : 888,404,817.58 = 365,349,835.68 : x
  2. Step 2: Convert to fraction form
    643,808,313.06/888,404,817.58 = 365,349,835.68/x
  3. Step 3: Cross multiply
    643,808,313.06x = 888,404,817.58 × 365,349,835.68
  4. Step 4: Simplify right side
    643,808,313.06x = 324,578,554,120,173,376
  5. Step 5: Solve for x
    x = 324,578,554,120,173,376/643,808,313.06
  6. Step 6: Final answer
    x = 504,154,027.74

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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.