Home / 499,434,869.67-749,224,085.94-154,415,400.87

Finding the Fourth Proportional to 499,434,869.67, 749,224,085.94 and 154,415,400.87

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Solution

The fourth proportional to 499,434,869.67, 749,224,085.94 and 154,415,400.87 is: 231,645,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,434,869.67 : 749,224,085.94 = 154,415,400.87 : x
  2. Step 2: Convert to fraction form
    499,434,869.67/749,224,085.94 = 154,415,400.87/x
  3. Step 3: Cross multiply
    499,434,869.67x = 749,224,085.94 × 154,415,400.87
  4. Step 4: Simplify right side
    499,434,869.67x = 115,691,737,571,884,448
  5. Step 5: Solve for x
    x = 115,691,737,571,884,448/499,434,869.67
  6. Step 6: Final answer
    x = 231,645,294.71

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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.