Home / 353,506,836.48-487,854,569.72-196,873,942.96

Finding the Fourth Proportional to 353,506,836.48, 487,854,569.72 and 196,873,942.96

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Solution

The fourth proportional to 353,506,836.48, 487,854,569.72 and 196,873,942.96 is: 271,694,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,506,836.48 : 487,854,569.72 = 196,873,942.96 : x
  2. Step 2: Convert to fraction form
    353,506,836.48/487,854,569.72 = 196,873,942.96/x
  3. Step 3: Cross multiply
    353,506,836.48x = 487,854,569.72 × 196,873,942.96
  4. Step 4: Simplify right side
    353,506,836.48x = 96,045,852,730,190,896
  5. Step 5: Solve for x
    x = 96,045,852,730,190,896/353,506,836.48
  6. Step 6: Final answer
    x = 271,694,470.43

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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.