Home / 1,813,188,970.62-2,720,338,521.12-928,500,722.58

Finding the Fourth Proportional to 1,813,188,970.62, 2,720,338,521.12 and 928,500,722.58

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Solution

The fourth proportional to 1,813,188,970.62, 2,720,338,521.12 and 928,500,722.58 is: 1,393,035,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,188,970.62 : 2,720,338,521.12 = 928,500,722.58 : x
  2. Step 2: Convert to fraction form
    1,813,188,970.62/2,720,338,521.12 = 928,500,722.58/x
  3. Step 3: Cross multiply
    1,813,188,970.62x = 2,720,338,521.12 × 928,500,722.58
  4. Step 4: Simplify right side
    1,813,188,970.62x = 2,525,836,282,522,128,384
  5. Step 5: Solve for x
    x = 2,525,836,282,522,128,384/1,813,188,970.62
  6. Step 6: Final answer
    x = 1,393,035,322.54

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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.