Home / 3,571,932,113.12-4,929,240,499.89-1,986,011,785.82

Finding the Fourth Proportional to 3,571,932,113.12, 4,929,240,499.89 and 1,986,011,785.82

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Solution

The fourth proportional to 3,571,932,113.12, 4,929,240,499.89 and 1,986,011,785.82 is: 2,740,681,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,932,113.12 : 4,929,240,499.89 = 1,986,011,785.82 : x
  2. Step 2: Convert to fraction form
    3,571,932,113.12/4,929,240,499.89 = 1,986,011,785.82/x
  3. Step 3: Cross multiply
    3,571,932,113.12x = 4,929,240,499.89 × 1,986,011,785.82
  4. Step 4: Simplify right side
    3,571,932,113.12x = 9,789,529,727,927,982,080
  5. Step 5: Solve for x
    x = 9,789,529,727,927,982,080/3,571,932,113.12
  6. Step 6: Final answer
    x = 2,740,681,910.49

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Double scale
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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.