Home / 347,693,505.12-479,820,856.68-191,060,652.60

Finding the Fourth Proportional to 347,693,505.12, 479,820,856.68 and 191,060,652.60

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Solution

The fourth proportional to 347,693,505.12, 479,820,856.68 and 191,060,652.60 is: 263,665,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,693,505.12 : 479,820,856.68 = 191,060,652.60 : x
  2. Step 2: Convert to fraction form
    347,693,505.12/479,820,856.68 = 191,060,652.60/x
  3. Step 3: Cross multiply
    347,693,505.12x = 479,820,856.68 × 191,060,652.60
  4. Step 4: Simplify right side
    347,693,505.12x = 91,674,886,008,371,872
  5. Step 5: Solve for x
    x = 91,674,886,008,371,872/347,693,505.12
  6. Step 6: Final answer
    x = 263,665,799.50

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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.