Home / 1,618,214,119.68-2,427,322,359.36-391,383,752.64

Finding the Fourth Proportional to 1,618,214,119.68, 2,427,322,359.36 and 391,383,752.64

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Solution

The fourth proportional to 1,618,214,119.68, 2,427,322,359.36 and 391,383,752.64 is: 587,075,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,214,119.68 : 2,427,322,359.36 = 391,383,752.64 : x
  2. Step 2: Convert to fraction form
    1,618,214,119.68/2,427,322,359.36 = 391,383,752.64/x
  3. Step 3: Cross multiply
    1,618,214,119.68x = 2,427,322,359.36 × 391,383,752.64
  4. Step 4: Simplify right side
    1,618,214,119.68x = 950,014,533,873,295,488
  5. Step 5: Solve for x
    x = 950,014,533,873,295,488/1,618,214,119.68
  6. Step 6: Final answer
    x = 587,075,914.32

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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.