Home / 713,629,329.10-1,071,494,789.91-399,111,569.53

Finding the Fourth Proportional to 713,629,329.10, 1,071,494,789.91 and 399,111,569.53

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Solution

The fourth proportional to 713,629,329.10, 1,071,494,789.91 and 399,111,569.53 is: 599,255,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,629,329.10 : 1,071,494,789.91 = 399,111,569.53 : x
  2. Step 2: Convert to fraction form
    713,629,329.10/1,071,494,789.91 = 399,111,569.53/x
  3. Step 3: Cross multiply
    713,629,329.10x = 1,071,494,789.91 × 399,111,569.53
  4. Step 4: Simplify right side
    713,629,329.10x = 427,645,967,344,197,632
  5. Step 5: Solve for x
    x = 427,645,967,344,197,632/713,629,329.10
  6. Step 6: Final answer
    x = 599,255,033.26

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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.