Home / 3,976,018,769.80-5,486,922,533.09-2,191,833,059.72

Finding the Fourth Proportional to 3,976,018,769.80, 5,486,922,533.09 and 2,191,833,059.72

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Solution

The fourth proportional to 3,976,018,769.80, 5,486,922,533.09 and 2,191,833,059.72 is: 3,024,738,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,018,769.80 : 5,486,922,533.09 = 2,191,833,059.72 : x
  2. Step 2: Convert to fraction form
    3,976,018,769.80/5,486,922,533.09 = 2,191,833,059.72/x
  3. Step 3: Cross multiply
    3,976,018,769.80x = 5,486,922,533.09 × 2,191,833,059.72
  4. Step 4: Simplify right side
    3,976,018,769.80x = 12,026,418,204,138,307,584
  5. Step 5: Solve for x
    x = 12,026,418,204,138,307,584/3,976,018,769.80
  6. Step 6: Final answer
    x = 3,024,738,790.34

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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.