Home / 386,251,714.44-533,041,382.82-221,271,170.40

Finding the Fourth Proportional to 386,251,714.44, 533,041,382.82 and 221,271,170.40

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Solution

The fourth proportional to 386,251,714.44, 533,041,382.82 and 221,271,170.40 is: 305,362,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,251,714.44 : 533,041,382.82 = 221,271,170.40 : x
  2. Step 2: Convert to fraction form
    386,251,714.44/533,041,382.82 = 221,271,170.40/x
  3. Step 3: Cross multiply
    386,251,714.44x = 533,041,382.82 × 221,271,170.40
  4. Step 4: Simplify right side
    386,251,714.44x = 117,946,690,648,215,856
  5. Step 5: Solve for x
    x = 117,946,690,648,215,856/386,251,714.44
  6. Step 6: Final answer
    x = 305,362,244.98

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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.