Home / 770,914,878.32-1,156,417,173.67-218,171,066.24

Finding the Fourth Proportional to 770,914,878.32, 1,156,417,173.67 and 218,171,066.24

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Solution

The fourth proportional to 770,914,878.32, 1,156,417,173.67 and 218,171,066.24 is: 327,269,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,914,878.32 : 1,156,417,173.67 = 218,171,066.24 : x
  2. Step 2: Convert to fraction form
    770,914,878.32/1,156,417,173.67 = 218,171,066.24/x
  3. Step 3: Cross multiply
    770,914,878.32x = 1,156,417,173.67 × 218,171,066.24
  4. Step 4: Simplify right side
    770,914,878.32x = 252,296,767,797,831,168
  5. Step 5: Solve for x
    x = 252,296,767,797,831,168/770,914,878.32
  6. Step 6: Final answer
    x = 327,269,293.79

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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.