Home / 393,984,313.60-590,976,470.40-248,865,491.20

Finding the Fourth Proportional to 393,984,313.60, 590,976,470.40 and 248,865,491.20

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Solution

The fourth proportional to 393,984,313.60, 590,976,470.40 and 248,865,491.20 is: 373,298,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,313.60 : 590,976,470.40 = 248,865,491.20 : x
  2. Step 2: Convert to fraction form
    393,984,313.60/590,976,470.40 = 248,865,491.20/x
  3. Step 3: Cross multiply
    393,984,313.60x = 590,976,470.40 × 248,865,491.20
  4. Step 4: Simplify right side
    393,984,313.60x = 147,073,649,593,738,240
  5. Step 5: Solve for x
    x = 147,073,649,593,738,240/393,984,313.60
  6. Step 6: Final answer
    x = 373,298,236.80

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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.