Home / 499,434,870.67-749,224,087.44-154,415,401.87

Finding the Fourth Proportional to 499,434,870.67, 749,224,087.44 and 154,415,401.87

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Solution

The fourth proportional to 499,434,870.67, 749,224,087.44 and 154,415,401.87 is: 231,645,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,434,870.67 : 749,224,087.44 = 154,415,401.87 : x
  2. Step 2: Convert to fraction form
    499,434,870.67/749,224,087.44 = 154,415,401.87/x
  3. Step 3: Cross multiply
    499,434,870.67x = 749,224,087.44 × 154,415,401.87
  4. Step 4: Simplify right side
    499,434,870.67x = 115,691,738,552,731,632
  5. Step 5: Solve for x
    x = 115,691,738,552,731,632/499,434,870.67
  6. Step 6: Final answer
    x = 231,645,296.21

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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.