Home / 353,391,270.20-486,598,364.04-352,370,903.48

Finding the Fourth Proportional to 353,391,270.20, 486,598,364.04 and 352,370,903.48

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Solution

The fourth proportional to 353,391,270.20, 486,598,364.04 and 352,370,903.48 is: 485,193,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,391,270.20 : 486,598,364.04 = 352,370,903.48 : x
  2. Step 2: Convert to fraction form
    353,391,270.20/486,598,364.04 = 352,370,903.48/x
  3. Step 3: Cross multiply
    353,391,270.20x = 486,598,364.04 × 352,370,903.48
  4. Step 4: Simplify right side
    353,391,270.20x = 171,463,105,168,664,768
  5. Step 5: Solve for x
    x = 171,463,105,168,664,768/353,391,270.20
  6. Step 6: Final answer
    x = 485,193,380.90

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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.