Home / 986,294,680.26-1,361,038,291.95-540,260,022.43

Finding the Fourth Proportional to 986,294,680.26, 1,361,038,291.95 and 540,260,022.43

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Solution

The fourth proportional to 986,294,680.26, 1,361,038,291.95 and 540,260,022.43 is: 745,532,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,294,680.26 : 1,361,038,291.95 = 540,260,022.43 : x
  2. Step 2: Convert to fraction form
    986,294,680.26/1,361,038,291.95 = 540,260,022.43/x
  3. Step 3: Cross multiply
    986,294,680.26x = 1,361,038,291.95 × 540,260,022.43
  4. Step 4: Simplify right side
    986,294,680.26x = 735,314,578,136,995,840
  5. Step 5: Solve for x
    x = 735,314,578,136,995,840/986,294,680.26
  6. Step 6: Final answer
    x = 745,532,337.19

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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.