Home / 343,043,753,570.20-474,079,605,797.96-281,146,695,721.76

Finding the Fourth Proportional to 343,043,753,570.20, 474,079,605,797.96 and 281,146,695,721.76

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Solution

The fourth proportional to 343,043,753,570.20, 474,079,605,797.96 and 281,146,695,721.76 is: 388,539,109,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,043,753,570.20 : 474,079,605,797.96 = 281,146,695,721.76 : x
  2. Step 2: Convert to fraction form
    343,043,753,570.20/474,079,605,797.96 = 281,146,695,721.76/x
  3. Step 3: Cross multiply
    343,043,753,570.20x = 474,079,605,797.96 × 281,146,695,721.76
  4. Step 4: Simplify right side
    343,043,753,570.20x = 133,285,914,679,170,994,012,160
  5. Step 5: Solve for x
    x = 133,285,914,679,170,994,012,160/343,043,753,570.20
  6. Step 6: Final answer
    x = 388,539,109,929.88

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1.5x scale

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.