Home / 1,948,626,673.60-2,922,940,010.40-1,328,753,891.20

Finding the Fourth Proportional to 1,948,626,673.60, 2,922,940,010.40 and 1,328,753,891.20

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Solution

The fourth proportional to 1,948,626,673.60, 2,922,940,010.40 and 1,328,753,891.20 is: 1,993,130,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,626,673.60 : 2,922,940,010.40 = 1,328,753,891.20 : x
  2. Step 2: Convert to fraction form
    1,948,626,673.60/2,922,940,010.40 = 1,328,753,891.20/x
  3. Step 3: Cross multiply
    1,948,626,673.60x = 2,922,940,010.40 × 1,328,753,891.20
  4. Step 4: Simplify right side
    1,948,626,673.60x = 3,883,867,912,563,168,768
  5. Step 5: Solve for x
    x = 3,883,867,912,563,168,768/1,948,626,673.60
  6. Step 6: Final answer
    x = 1,993,130,836.80

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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.