Home / 986,294,679.26-1,361,038,290.57-540,260,021.43

Finding the Fourth Proportional to 986,294,679.26, 1,361,038,290.57 and 540,260,021.43

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Solution

The fourth proportional to 986,294,679.26, 1,361,038,290.57 and 540,260,021.43 is: 745,532,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,294,679.26 : 1,361,038,290.57 = 540,260,021.43 : x
  2. Step 2: Convert to fraction form
    986,294,679.26/1,361,038,290.57 = 540,260,021.43/x
  3. Step 3: Cross multiply
    986,294,679.26x = 1,361,038,290.57 × 540,260,021.43
  4. Step 4: Simplify right side
    986,294,679.26x = 735,314,576,030,398,720
  5. Step 5: Solve for x
    x = 735,314,576,030,398,720/986,294,679.26
  6. Step 6: Final answer
    x = 745,532,335.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.