Home / 499,434,865.17-749,224,079.19-154,415,396.36

Finding the Fourth Proportional to 499,434,865.17, 749,224,079.19 and 154,415,396.36

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Solution

The fourth proportional to 499,434,865.17, 749,224,079.19 and 154,415,396.36 is: 231,645,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,434,865.17 : 749,224,079.19 = 154,415,396.36 : x
  2. Step 2: Convert to fraction form
    499,434,865.17/749,224,079.19 = 154,415,396.36/x
  3. Step 3: Cross multiply
    499,434,865.17x = 749,224,079.19 × 154,415,396.36
  4. Step 4: Simplify right side
    499,434,865.17x = 115,691,733,146,833,760
  5. Step 5: Solve for x
    x = 115,691,733,146,833,760/499,434,865.17
  6. Step 6: Final answer
    x = 231,645,287.93

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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.