Home / 3,910,141,442.72-5,395,957,254.96-2,125,994,871.44

Finding the Fourth Proportional to 3,910,141,442.72, 5,395,957,254.96 and 2,125,994,871.44

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Solution

The fourth proportional to 3,910,141,442.72, 5,395,957,254.96 and 2,125,994,871.44 is: 2,933,852,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,141,442.72 : 5,395,957,254.96 = 2,125,994,871.44 : x
  2. Step 2: Convert to fraction form
    3,910,141,442.72/5,395,957,254.96 = 2,125,994,871.44/x
  3. Step 3: Cross multiply
    3,910,141,442.72x = 5,395,957,254.96 × 2,125,994,871.44
  4. Step 4: Simplify right side
    3,910,141,442.72x = 11,471,777,450,554,421,248
  5. Step 5: Solve for x
    x = 11,471,777,450,554,421,248/3,910,141,442.72
  6. Step 6: Final answer
    x = 2,933,852,296.29

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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.