Home / 384,979,999.60-577,469,999.40-298,983,660.40

Finding the Fourth Proportional to 384,979,999.60, 577,469,999.40 and 298,983,660.40

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Solution

The fourth proportional to 384,979,999.60, 577,469,999.40 and 298,983,660.40 is: 448,475,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,979,999.60 : 577,469,999.40 = 298,983,660.40 : x
  2. Step 2: Convert to fraction form
    384,979,999.60/577,469,999.40 = 298,983,660.40/x
  3. Step 3: Cross multiply
    384,979,999.60x = 577,469,999.40 × 298,983,660.40
  4. Step 4: Simplify right side
    384,979,999.60x = 172,654,094,191,797,792
  5. Step 5: Solve for x
    x = 172,654,094,191,797,792/384,979,999.60
  6. Step 6: Final answer
    x = 448,475,490.60

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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.