Home / 343,043,753,577.40-474,079,605,807.90-281,146,695,728.96

Finding the Fourth Proportional to 343,043,753,577.40, 474,079,605,807.90 and 281,146,695,728.96

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Solution

The fourth proportional to 343,043,753,577.40, 474,079,605,807.90 and 281,146,695,728.96 is: 388,539,109,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,043,753,577.40 : 474,079,605,807.90 = 281,146,695,728.96 : x
  2. Step 2: Convert to fraction form
    343,043,753,577.40/474,079,605,807.90 = 281,146,695,728.96/x
  3. Step 3: Cross multiply
    343,043,753,577.40x = 474,079,605,807.90 × 281,146,695,728.96
  4. Step 4: Simplify right side
    343,043,753,577.40x = 133,285,914,685,378,983,362,560
  5. Step 5: Solve for x
    x = 133,285,914,685,378,983,362,560/343,043,753,577.40
  6. Step 6: Final answer
    x = 388,539,109,939.82

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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.