Home / 684,992,531.59-945,289,693.33-371,726,745.57

Finding the Fourth Proportional to 684,992,531.59, 945,289,693.33 and 371,726,745.57

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Solution

The fourth proportional to 684,992,531.59, 945,289,693.33 and 371,726,745.57 is: 512,982,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,992,531.59 : 945,289,693.33 = 371,726,745.57 : x
  2. Step 2: Convert to fraction form
    684,992,531.59/945,289,693.33 = 371,726,745.57/x
  3. Step 3: Cross multiply
    684,992,531.59x = 945,289,693.33 × 371,726,745.57
  4. Step 4: Simplify right side
    684,992,531.59x = 351,389,461,321,494,912
  5. Step 5: Solve for x
    x = 351,389,461,321,494,912/684,992,531.59
  6. Step 6: Final answer
    x = 512,982,908.74

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Double scale
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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.