Home / 1,984,824,820.80-2,977,237,231.20-1,954,213,819.20

Finding the Fourth Proportional to 1,984,824,820.80, 2,977,237,231.20 and 1,954,213,819.20

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Solution

The fourth proportional to 1,984,824,820.80, 2,977,237,231.20 and 1,954,213,819.20 is: 2,931,320,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,824,820.80 : 2,977,237,231.20 = 1,954,213,819.20 : x
  2. Step 2: Convert to fraction form
    1,984,824,820.80/2,977,237,231.20 = 1,954,213,819.20/x
  3. Step 3: Cross multiply
    1,984,824,820.80x = 2,977,237,231.20 × 1,954,213,819.20
  4. Step 4: Simplify right side
    1,984,824,820.80x = 5,818,158,140,247,785,472
  5. Step 5: Solve for x
    x = 5,818,158,140,247,785,472/1,984,824,820.80
  6. Step 6: Final answer
    x = 2,931,320,728.80

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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.