Home / 7,876,484,507.70-11,814,725,727.99-3,218,353,655.40

Finding the Fourth Proportional to 7,876,484,507.70, 11,814,725,727.99 and 3,218,353,655.40

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Solution

The fourth proportional to 7,876,484,507.70, 11,814,725,727.99 and 3,218,353,655.40 is: 4,827,530,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,484,507.70 : 11,814,725,727.99 = 3,218,353,655.40 : x
  2. Step 2: Convert to fraction form
    7,876,484,507.70/11,814,725,727.99 = 3,218,353,655.40/x
  3. Step 3: Cross multiply
    7,876,484,507.70x = 11,814,725,727.99 × 3,218,353,655.40
  4. Step 4: Simplify right side
    7,876,484,507.70x = 38,023,965,734,225,043,456
  5. Step 5: Solve for x
    x = 38,023,965,734,225,043,456/7,876,484,507.70
  6. Step 6: Final answer
    x = 4,827,530,060.78

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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.