Home / 771,271,806.91-1,156,757,066.16-246,500,142.40

Finding the Fourth Proportional to 771,271,806.91, 1,156,757,066.16 and 246,500,142.40

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Solution

The fourth proportional to 771,271,806.91, 1,156,757,066.16 and 246,500,142.40 is: 369,702,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,271,806.91 : 1,156,757,066.16 = 246,500,142.40 : x
  2. Step 2: Convert to fraction form
    771,271,806.91/1,156,757,066.16 = 246,500,142.40/x
  3. Step 3: Cross multiply
    771,271,806.91x = 1,156,757,066.16 × 246,500,142.40
  4. Step 4: Simplify right side
    771,271,806.91x = 285,140,781,530,646,240
  5. Step 5: Solve for x
    x = 285,140,781,530,646,240/771,271,806.91
  6. Step 6: Final answer
    x = 369,702,067.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.