Home / 770,433,899.63-1,155,408,087.58-252,743,705.87

Finding the Fourth Proportional to 770,433,899.63, 1,155,408,087.58 and 252,743,705.87

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Solution

The fourth proportional to 770,433,899.63, 1,155,408,087.58 and 252,743,705.87 is: 379,035,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,433,899.63 : 1,155,408,087.58 = 252,743,705.87 : x
  2. Step 2: Convert to fraction form
    770,433,899.63/1,155,408,087.58 = 252,743,705.87/x
  3. Step 3: Cross multiply
    770,433,899.63x = 1,155,408,087.58 × 252,743,705.87
  4. Step 4: Simplify right side
    770,433,899.63x = 292,022,121,840,729,856
  5. Step 5: Solve for x
    x = 292,022,121,840,729,856/770,433,899.63
  6. Step 6: Final answer
    x = 379,035,919.87

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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.