Home / 777,994,728.42-1,167,073,850.13-253,404,708.74

Finding the Fourth Proportional to 777,994,728.42, 1,167,073,850.13 and 253,404,708.74

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Solution

The fourth proportional to 777,994,728.42, 1,167,073,850.13 and 253,404,708.74 is: 380,133,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,994,728.42 : 1,167,073,850.13 = 253,404,708.74 : x
  2. Step 2: Convert to fraction form
    777,994,728.42/1,167,073,850.13 = 253,404,708.74/x
  3. Step 3: Cross multiply
    777,994,728.42x = 1,167,073,850.13 × 253,404,708.74
  4. Step 4: Simplify right side
    777,994,728.42x = 295,742,009,070,263,104
  5. Step 5: Solve for x
    x = 295,742,009,070,263,104/777,994,728.42
  6. Step 6: Final answer
    x = 380,133,692.77

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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.