Home / 329,185,280.40-493,777,920.60-298,952,192.40

Finding the Fourth Proportional to 329,185,280.40, 493,777,920.60 and 298,952,192.40

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Solution

The fourth proportional to 329,185,280.40, 493,777,920.60 and 298,952,192.40 is: 448,428,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,185,280.40 : 493,777,920.60 = 298,952,192.40 : x
  2. Step 2: Convert to fraction form
    329,185,280.40/493,777,920.60 = 298,952,192.40/x
  3. Step 3: Cross multiply
    329,185,280.40x = 493,777,920.60 × 298,952,192.40
  4. Step 4: Simplify right side
    329,185,280.40x = 147,615,991,922,083,104
  5. Step 5: Solve for x
    x = 147,615,991,922,083,104/329,185,280.40
  6. Step 6: Final answer
    x = 448,428,288.60

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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.