Home / 386,350,208.52-533,114,895.82-261,174,761.30

Finding the Fourth Proportional to 386,350,208.52, 533,114,895.82 and 261,174,761.30

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Solution

The fourth proportional to 386,350,208.52, 533,114,895.82 and 261,174,761.30 is: 360,388,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,350,208.52 : 533,114,895.82 = 261,174,761.30 : x
  2. Step 2: Convert to fraction form
    386,350,208.52/533,114,895.82 = 261,174,761.30/x
  3. Step 3: Cross multiply
    386,350,208.52x = 533,114,895.82 × 261,174,761.30
  4. Step 4: Simplify right side
    386,350,208.52x = 139,236,155,661,262,880
  5. Step 5: Solve for x
    x = 139,236,155,661,262,880/386,350,208.52
  6. Step 6: Final answer
    x = 360,388,457.39

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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.