Home / 1,905,878,173.92-2,858,174,551.26-725,178,362.64

Finding the Fourth Proportional to 1,905,878,173.92, 2,858,174,551.26 and 725,178,362.64

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Solution

The fourth proportional to 1,905,878,173.92, 2,858,174,551.26 and 725,178,362.64 is: 1,087,522,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,878,173.92 : 2,858,174,551.26 = 725,178,362.64 : x
  2. Step 2: Convert to fraction form
    1,905,878,173.92/2,858,174,551.26 = 725,178,362.64/x
  3. Step 3: Cross multiply
    1,905,878,173.92x = 2,858,174,551.26 × 725,178,362.64
  4. Step 4: Simplify right side
    1,905,878,173.92x = 2,072,686,341,222,043,648
  5. Step 5: Solve for x
    x = 2,072,686,341,222,043,648/1,905,878,173.92
  6. Step 6: Final answer
    x = 1,087,522,995.74

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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.