Home / 1,003,107,410.10-1,504,661,115.15-347,840,657.10

Finding the Fourth Proportional to 1,003,107,410.10, 1,504,661,115.15 and 347,840,657.10

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Solution

The fourth proportional to 1,003,107,410.10, 1,504,661,115.15 and 347,840,657.10 is: 521,760,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,107,410.10 : 1,504,661,115.15 = 347,840,657.10 : x
  2. Step 2: Convert to fraction form
    1,003,107,410.10/1,504,661,115.15 = 347,840,657.10/x
  3. Step 3: Cross multiply
    1,003,107,410.10x = 1,504,661,115.15 × 347,840,657.10
  4. Step 4: Simplify right side
    1,003,107,410.10x = 523,382,311,006,594,816
  5. Step 5: Solve for x
    x = 523,382,311,006,594,816/1,003,107,410.10
  6. Step 6: Final answer
    x = 521,760,985.65

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Double scale
Find fourth proportional to 1,003,107,411.10, 1,504,661,116.65 and 347,840,658.10
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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.