Home / 826,105,495.27-1,238,379,204.07-411,190,034.04

Finding the Fourth Proportional to 826,105,495.27, 1,238,379,204.07 and 411,190,034.04

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Solution

The fourth proportional to 826,105,495.27, 1,238,379,204.07 and 411,190,034.04 is: 616,397,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,105,495.27 : 1,238,379,204.07 = 411,190,034.04 : x
  2. Step 2: Convert to fraction form
    826,105,495.27/1,238,379,204.07 = 411,190,034.04/x
  3. Step 3: Cross multiply
    826,105,495.27x = 1,238,379,204.07 × 411,190,034.04
  4. Step 4: Simplify right side
    826,105,495.27x = 509,209,187,075,971,392
  5. Step 5: Solve for x
    x = 509,209,187,075,971,392/826,105,495.27
  6. Step 6: Final answer
    x = 616,397,288.23

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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.