Home / 1,188,154,028.80-1,782,151,327.05-314,736,650.20

Finding the Fourth Proportional to 1,188,154,028.80, 1,782,151,327.05 and 314,736,650.20

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Solution

The fourth proportional to 1,188,154,028.80, 1,782,151,327.05 and 314,736,650.20 is: 472,083,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,154,028.80 : 1,782,151,327.05 = 314,736,650.20 : x
  2. Step 2: Convert to fraction form
    1,188,154,028.80/1,782,151,327.05 = 314,736,650.20/x
  3. Step 3: Cross multiply
    1,188,154,028.80x = 1,782,151,327.05 × 314,736,650.20
  4. Step 4: Simplify right side
    1,188,154,028.80x = 560,908,338,825,201,600
  5. Step 5: Solve for x
    x = 560,908,338,825,201,600/1,188,154,028.80
  6. Step 6: Final answer
    x = 472,083,858.85

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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.