Home / 3,485,417,769.45-4,809,892,810.22-1,980,126,719.84

Finding the Fourth Proportional to 3,485,417,769.45, 4,809,892,810.22 and 1,980,126,719.84

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Solution

The fourth proportional to 3,485,417,769.45, 4,809,892,810.22 and 1,980,126,719.84 is: 2,732,584,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,417,769.45 : 4,809,892,810.22 = 1,980,126,719.84 : x
  2. Step 2: Convert to fraction form
    3,485,417,769.45/4,809,892,810.22 = 1,980,126,719.84/x
  3. Step 3: Cross multiply
    3,485,417,769.45x = 4,809,892,810.22 × 1,980,126,719.84
  4. Step 4: Simplify right side
    3,485,417,769.45x = 9,524,197,273,048,979,456
  5. Step 5: Solve for x
    x = 9,524,197,273,048,979,456/3,485,417,769.45
  6. Step 6: Final answer
    x = 2,732,584,127.08

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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.