Home / 2,719,918,353.30-4,079,877,529.95-2,128,105,655.70

Finding the Fourth Proportional to 2,719,918,353.30, 4,079,877,529.95 and 2,128,105,655.70

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Solution

The fourth proportional to 2,719,918,353.30, 4,079,877,529.95 and 2,128,105,655.70 is: 3,192,158,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,918,353.30 : 4,079,877,529.95 = 2,128,105,655.70 : x
  2. Step 2: Convert to fraction form
    2,719,918,353.30/4,079,877,529.95 = 2,128,105,655.70/x
  3. Step 3: Cross multiply
    2,719,918,353.30x = 4,079,877,529.95 × 2,128,105,655.70
  4. Step 4: Simplify right side
    2,719,918,353.30x = 8,682,410,446,049,940,480
  5. Step 5: Solve for x
    x = 8,682,410,446,049,940,480/2,719,918,353.30
  6. Step 6: Final answer
    x = 3,192,158,483.55

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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.