Home / 353,537,803.80-487,897,374.42-196,904,980.44

Finding the Fourth Proportional to 353,537,803.80, 487,897,374.42 and 196,904,980.44

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Solution

The fourth proportional to 353,537,803.80, 487,897,374.42 and 196,904,980.44 is: 271,737,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,537,803.80 : 487,897,374.42 = 196,904,980.44 : x
  2. Step 2: Convert to fraction form
    353,537,803.80/487,897,374.42 = 196,904,980.44/x
  3. Step 3: Cross multiply
    353,537,803.80x = 487,897,374.42 × 196,904,980.44
  4. Step 4: Simplify right side
    353,537,803.80x = 96,069,422,966,897,456
  5. Step 5: Solve for x
    x = 96,069,422,966,897,456/353,537,803.80
  6. Step 6: Final answer
    x = 271,737,341.62

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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.