Home / 357,846,979.40-536,770,469.10-266,013,974.60

Finding the Fourth Proportional to 357,846,979.40, 536,770,469.10 and 266,013,974.60

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Solution

The fourth proportional to 357,846,979.40, 536,770,469.10 and 266,013,974.60 is: 399,020,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,846,979.40 : 536,770,469.10 = 266,013,974.60 : x
  2. Step 2: Convert to fraction form
    357,846,979.40/536,770,469.10 = 266,013,974.60/x
  3. Step 3: Cross multiply
    357,846,979.40x = 536,770,469.10 × 266,013,974.60
  4. Step 4: Simplify right side
    357,846,979.40x = 142,788,445,933,197,488
  5. Step 5: Solve for x
    x = 142,788,445,933,197,488/357,846,979.40
  6. Step 6: Final answer
    x = 399,020,961.90

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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.