Home / 386,350,204.52-533,114,890.30-261,174,757.30

Finding the Fourth Proportional to 386,350,204.52, 533,114,890.30 and 261,174,757.30

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Solution

The fourth proportional to 386,350,204.52, 533,114,890.30 and 261,174,757.30 is: 360,388,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,350,204.52 : 533,114,890.30 = 261,174,757.30 : x
  2. Step 2: Convert to fraction form
    386,350,204.52/533,114,890.30 = 261,174,757.30/x
  3. Step 3: Cross multiply
    386,350,204.52x = 533,114,890.30 × 261,174,757.30
  4. Step 4: Simplify right side
    386,350,204.52x = 139,236,152,087,118,640
  5. Step 5: Solve for x
    x = 139,236,152,087,118,640/386,350,204.52
  6. Step 6: Final answer
    x = 360,388,451.87

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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.