Home / 623,037,447.41-860,056,414.76-388,204,132.24

Finding the Fourth Proportional to 623,037,447.41, 860,056,414.76 and 388,204,132.24

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Solution

The fourth proportional to 623,037,447.41, 860,056,414.76 and 388,204,132.24 is: 535,886,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,037,447.41 : 860,056,414.76 = 388,204,132.24 : x
  2. Step 2: Convert to fraction form
    623,037,447.41/860,056,414.76 = 388,204,132.24/x
  3. Step 3: Cross multiply
    623,037,447.41x = 860,056,414.76 × 388,204,132.24
  4. Step 4: Simplify right side
    623,037,447.41x = 333,877,454,171,396,928
  5. Step 5: Solve for x
    x = 333,877,454,171,396,928/623,037,447.41
  6. Step 6: Final answer
    x = 535,886,655.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.