Home / 1,818,239,258.78-2,727,060,289.77-782,821,382.30

Finding the Fourth Proportional to 1,818,239,258.78, 2,727,060,289.77 and 782,821,382.30

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Solution

The fourth proportional to 1,818,239,258.78, 2,727,060,289.77 and 782,821,382.30 is: 1,174,103,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,239,258.78 : 2,727,060,289.77 = 782,821,382.30 : x
  2. Step 2: Convert to fraction form
    1,818,239,258.78/2,727,060,289.77 = 782,821,382.30/x
  3. Step 3: Cross multiply
    1,818,239,258.78x = 2,727,060,289.77 × 782,821,382.30
  4. Step 4: Simplify right side
    1,818,239,258.78x = 2,134,801,105,653,189,888
  5. Step 5: Solve for x
    x = 2,134,801,105,653,189,888/1,818,239,258.78
  6. Step 6: Final answer
    x = 1,174,103,515.44

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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.