Home / 761,873,906.95-1,143,002,843.52-216,615,440.95

Finding the Fourth Proportional to 761,873,906.95, 1,143,002,843.52 and 216,615,440.95

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Solution

The fourth proportional to 761,873,906.95, 1,143,002,843.52 and 216,615,440.95 is: 324,977,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,873,906.95 : 1,143,002,843.52 = 216,615,440.95 : x
  2. Step 2: Convert to fraction form
    761,873,906.95/1,143,002,843.52 = 216,615,440.95/x
  3. Step 3: Cross multiply
    761,873,906.95x = 1,143,002,843.52 × 216,615,440.95
  4. Step 4: Simplify right side
    761,873,906.95x = 247,592,064,958,953,312
  5. Step 5: Solve for x
    x = 247,592,064,958,953,312/761,873,906.95
  6. Step 6: Final answer
    x = 324,977,745.92

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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.