Home / 512,351,993,243.16-768,373,260,817.54-154,108,866,686.76

Finding the Fourth Proportional to 512,351,993,243.16, 768,373,260,817.54 and 154,108,866,686.76

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Solution

The fourth proportional to 512,351,993,243.16, 768,373,260,817.54 and 154,108,866,686.76 is: 231,116,759,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,351,993,243.16 : 768,373,260,817.54 = 154,108,866,686.76 : x
  2. Step 2: Convert to fraction form
    512,351,993,243.16/768,373,260,817.54 = 154,108,866,686.76/x
  3. Step 3: Cross multiply
    512,351,993,243.16x = 768,373,260,817.54 × 154,108,866,686.76
  4. Step 4: Simplify right side
    512,351,993,243.16x = 118,413,132,417,001,353,904,128
  5. Step 5: Solve for x
    x = 118,413,132,417,001,353,904,128/512,351,993,243.16
  6. Step 6: Final answer
    x = 231,116,759,529.82

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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.