Home / 386,350,157.53-533,114,826.22-261,174,710.54

Finding the Fourth Proportional to 386,350,157.53, 533,114,826.22 and 261,174,710.54

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Solution

The fourth proportional to 386,350,157.53, 533,114,826.22 and 261,174,710.54 is: 360,388,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,350,157.53 : 533,114,826.22 = 261,174,710.54 : x
  2. Step 2: Convert to fraction form
    386,350,157.53/533,114,826.22 = 261,174,710.54/x
  3. Step 3: Cross multiply
    386,350,157.53x = 533,114,826.22 × 261,174,710.54
  4. Step 4: Simplify right side
    386,350,157.53x = 139,236,110,424,250,144
  5. Step 5: Solve for x
    x = 139,236,110,424,250,144/386,350,157.53
  6. Step 6: Final answer
    x = 360,388,387.87

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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.