Home / 853,034,460,681.27-1,279,991,608,433.90-399,799,410,324.66

Finding the Fourth Proportional to 853,034,460,681.27, 1,279,991,608,433.90 and 399,799,410,324.66

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Solution

The fourth proportional to 853,034,460,681.27, 1,279,991,608,433.90 and 399,799,410,324.66 is: 599,905,295,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,034,460,681.27 : 1,279,991,608,433.90 = 399,799,410,324.66 : x
  2. Step 2: Convert to fraction form
    853,034,460,681.27/1,279,991,608,433.90 = 399,799,410,324.66/x
  3. Step 3: Cross multiply
    853,034,460,681.27x = 1,279,991,608,433.90 × 399,799,410,324.66
  4. Step 4: Simplify right side
    853,034,460,681.27x = 511,739,890,272,386,269,839,360
  5. Step 5: Solve for x
    x = 511,739,890,272,386,269,839,360/853,034,460,681.27
  6. Step 6: Final answer
    x = 599,905,295,577.03

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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.