Home / 1,022,097,645.91-1,532,532,410.29-399,571,422.58

Finding the Fourth Proportional to 1,022,097,645.91, 1,532,532,410.29 and 399,571,422.58

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Solution

The fourth proportional to 1,022,097,645.91, 1,532,532,410.29 and 399,571,422.58 is: 599,117,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,097,645.91 : 1,532,532,410.29 = 399,571,422.58 : x
  2. Step 2: Convert to fraction form
    1,022,097,645.91/1,532,532,410.29 = 399,571,422.58/x
  3. Step 3: Cross multiply
    1,022,097,645.91x = 1,532,532,410.29 × 399,571,422.58
  4. Step 4: Simplify right side
    1,022,097,645.91x = 612,356,155,329,531,520
  5. Step 5: Solve for x
    x = 612,356,155,329,531,520/1,022,097,645.91
  6. Step 6: Final answer
    x = 599,117,078.28

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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.