Home / 1,539,648,015.20-2,309,472,022.80-925,916,328.80

Finding the Fourth Proportional to 1,539,648,015.20, 2,309,472,022.80 and 925,916,328.80

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Solution

The fourth proportional to 1,539,648,015.20, 2,309,472,022.80 and 925,916,328.80 is: 1,388,874,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,015.20 : 2,309,472,022.80 = 925,916,328.80 : x
  2. Step 2: Convert to fraction form
    1,539,648,015.20/2,309,472,022.80 = 925,916,328.80/x
  3. Step 3: Cross multiply
    1,539,648,015.20x = 2,309,472,022.80 × 925,916,328.80
  4. Step 4: Simplify right side
    1,539,648,015.20x = 2,138,377,856,817,285,888
  5. Step 5: Solve for x
    x = 2,138,377,856,817,285,888/1,539,648,015.20
  6. Step 6: Final answer
    x = 1,388,874,493.20

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Double scale
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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.