Home / 357,846,820.40-536,770,230.60-266,013,815.60

Finding the Fourth Proportional to 357,846,820.40, 536,770,230.60 and 266,013,815.60

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Solution

The fourth proportional to 357,846,820.40, 536,770,230.60 and 266,013,815.60 is: 399,020,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,846,820.40 : 536,770,230.60 = 266,013,815.60 : x
  2. Step 2: Convert to fraction form
    357,846,820.40/536,770,230.60 = 266,013,815.60/x
  3. Step 3: Cross multiply
    357,846,820.40x = 536,770,230.60 × 266,013,815.60
  4. Step 4: Simplify right side
    357,846,820.40x = 142,788,297,142,397,888
  5. Step 5: Solve for x
    x = 142,788,297,142,397,888/357,846,820.40
  6. Step 6: Final answer
    x = 399,020,723.40

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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.