Home / 2,659,097,785.78-3,988,727,936.65-912,276,019.36

Finding the Fourth Proportional to 2,659,097,785.78, 3,988,727,936.65 and 912,276,019.36

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Solution

The fourth proportional to 2,659,097,785.78, 3,988,727,936.65 and 912,276,019.36 is: 1,368,441,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,097,785.78 : 3,988,727,936.65 = 912,276,019.36 : x
  2. Step 2: Convert to fraction form
    2,659,097,785.78/3,988,727,936.65 = 912,276,019.36/x
  3. Step 3: Cross multiply
    2,659,097,785.78x = 3,988,727,936.65 × 912,276,019.36
  4. Step 4: Simplify right side
    2,659,097,785.78x = 3,638,820,844,344,835,584
  5. Step 5: Solve for x
    x = 3,638,820,844,344,835,584/2,659,097,785.78
  6. Step 6: Final answer
    x = 1,368,441,906.80

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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.