Home / 1,021,016,195.08-1,531,910,276.24-399,675,487.32

Finding the Fourth Proportional to 1,021,016,195.08, 1,531,910,276.24 and 399,675,487.32

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Solution

The fourth proportional to 1,021,016,195.08, 1,531,910,276.24 and 399,675,487.32 is: 599,664,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,016,195.08 : 1,531,910,276.24 = 399,675,487.32 : x
  2. Step 2: Convert to fraction form
    1,021,016,195.08/1,531,910,276.24 = 399,675,487.32/x
  3. Step 3: Cross multiply
    1,021,016,195.08x = 1,531,910,276.24 × 399,675,487.32
  4. Step 4: Simplify right side
    1,021,016,195.08x = 612,266,986,186,737,792
  5. Step 5: Solve for x
    x = 612,266,986,186,737,792/1,021,016,195.08
  6. Step 6: Final answer
    x = 599,664,323.78

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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.