Home / 1,185,949,815.68-1,778,915,766.54-356,899,889

Finding the Fourth Proportional to 1,185,949,815.68, 1,778,915,766.54 and 356,899,889

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Solution

The fourth proportional to 1,185,949,815.68, 1,778,915,766.54 and 356,899,889 is: 535,347,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,949,815.68 : 1,778,915,766.54 = 356,899,889 : x
  2. Step 2: Convert to fraction form
    1,185,949,815.68/1,778,915,766.54 = 356,899,889/x
  3. Step 3: Cross multiply
    1,185,949,815.68x = 1,778,915,766.54 × 356,899,889
  4. Step 4: Simplify right side
    1,185,949,815.68x = 634,894,839,618,475,904
  5. Step 5: Solve for x
    x = 634,894,839,618,475,904/1,185,949,815.68
  6. Step 6: Final answer
    x = 535,347,137.99

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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.