Home / 354,319,103,471.23-488,907,763,615.83-215,197,989,204.61

Finding the Fourth Proportional to 354,319,103,471.23, 488,907,763,615.83 and 215,197,989,204.61

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Solution

The fourth proportional to 354,319,103,471.23, 488,907,763,615.83 and 215,197,989,204.61 is: 296,941,278,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,319,103,471.23 : 488,907,763,615.83 = 215,197,989,204.61 : x
  2. Step 2: Convert to fraction form
    354,319,103,471.23/488,907,763,615.83 = 215,197,989,204.61/x
  3. Step 3: Cross multiply
    354,319,103,471.23x = 488,907,763,615.83 × 215,197,989,204.61
  4. Step 4: Simplify right side
    354,319,103,471.23x = 105,211,967,636,649,396,928,512
  5. Step 5: Solve for x
    x = 105,211,967,636,649,396,928,512/354,319,103,471.23
  6. Step 6: Final answer
    x = 296,941,278,655.03

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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.