Home / 330,050,622.49-455,370,534.10-197,843,380.61

Finding the Fourth Proportional to 330,050,622.49, 455,370,534.10 and 197,843,380.61

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Solution

The fourth proportional to 330,050,622.49, 455,370,534.10 and 197,843,380.61 is: 272,964,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,050,622.49 : 455,370,534.10 = 197,843,380.61 : x
  2. Step 2: Convert to fraction form
    330,050,622.49/455,370,534.10 = 197,843,380.61/x
  3. Step 3: Cross multiply
    330,050,622.49x = 455,370,534.10 × 197,843,380.61
  4. Step 4: Simplify right side
    330,050,622.49x = 90,092,045,896,525,296
  5. Step 5: Solve for x
    x = 90,092,045,896,525,296/330,050,622.49
  6. Step 6: Final answer
    x = 272,964,326.55

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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.