Home / 7,188,605,145.20-10,782,057,412.20-1,947,888,297.20

Finding the Fourth Proportional to 7,188,605,145.20, 10,782,057,412.20 and 1,947,888,297.20

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Solution

The fourth proportional to 7,188,605,145.20, 10,782,057,412.20 and 1,947,888,297.20 is: 2,921,602,039.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,605,145.20 : 10,782,057,412.20 = 1,947,888,297.20 : x
  2. Step 2: Convert to fraction form
    7,188,605,145.20/10,782,057,412.20 = 1,947,888,297.20/x
  3. Step 3: Cross multiply
    7,188,605,145.20x = 10,782,057,412.20 × 1,947,888,297.20
  4. Step 4: Simplify right side
    7,188,605,145.20x = 21,002,243,452,962,897,920
  5. Step 5: Solve for x
    x = 21,002,243,452,962,897,920/7,188,605,145.20
  6. Step 6: Final answer
    x = 2,921,602,039.44

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1.5x scale

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.