Home / 699,235,496.94-964,944,840.26-385,969,627.86

Finding the Fourth Proportional to 699,235,496.94, 964,944,840.26 and 385,969,627.86

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Solution

The fourth proportional to 699,235,496.94, 964,944,840.26 and 385,969,627.86 is: 532,638,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,235,496.94 : 964,944,840.26 = 385,969,627.86 : x
  2. Step 2: Convert to fraction form
    699,235,496.94/964,944,840.26 = 385,969,627.86/x
  3. Step 3: Cross multiply
    699,235,496.94x = 964,944,840.26 × 385,969,627.86
  4. Step 4: Simplify right side
    699,235,496.94x = 372,439,400,900,579,328
  5. Step 5: Solve for x
    x = 372,439,400,900,579,328/699,235,496.94
  6. Step 6: Final answer
    x = 532,638,006.12

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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.