Home / 388,373,486.40-582,336,280.80-146,060,884.80

Finding the Fourth Proportional to 388,373,486.40, 582,336,280.80 and 146,060,884.80

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Solution

The fourth proportional to 388,373,486.40, 582,336,280.80 and 146,060,884.80 is: 219,007,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,373,486.40 : 582,336,280.80 = 146,060,884.80 : x
  2. Step 2: Convert to fraction form
    388,373,486.40/582,336,280.80 = 146,060,884.80/x
  3. Step 3: Cross multiply
    388,373,486.40x = 582,336,280.80 × 146,060,884.80
  4. Step 4: Simplify right side
    388,373,486.40x = 85,056,552,424,789,248
  5. Step 5: Solve for x
    x = 85,056,552,424,789,248/388,373,486.40
  6. Step 6: Final answer
    x = 219,007,103.74

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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.