Home / 340,119,010.80-510,178,516.20-272,094,562.80

Finding the Fourth Proportional to 340,119,010.80, 510,178,516.20 and 272,094,562.80

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Solution

The fourth proportional to 340,119,010.80, 510,178,516.20 and 272,094,562.80 is: 408,141,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,119,010.80 : 510,178,516.20 = 272,094,562.80 : x
  2. Step 2: Convert to fraction form
    340,119,010.80/510,178,516.20 = 272,094,562.80/x
  3. Step 3: Cross multiply
    340,119,010.80x = 510,178,516.20 × 272,094,562.80
  4. Step 4: Simplify right side
    340,119,010.80x = 138,816,800,315,391,728
  5. Step 5: Solve for x
    x = 138,816,800,315,391,728/340,119,010.80
  6. Step 6: Final answer
    x = 408,141,844.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.