Home / 919,380,709.93-1,268,772,297.29-501,719,915.83

Finding the Fourth Proportional to 919,380,709.93, 1,268,772,297.29 and 501,719,915.83

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Solution

The fourth proportional to 919,380,709.93, 1,268,772,297.29 and 501,719,915.83 is: 692,388,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,380,709.93 : 1,268,772,297.29 = 501,719,915.83 : x
  2. Step 2: Convert to fraction form
    919,380,709.93/1,268,772,297.29 = 501,719,915.83/x
  3. Step 3: Cross multiply
    919,380,709.93x = 1,268,772,297.29 × 501,719,915.83
  4. Step 4: Simplify right side
    919,380,709.93x = 636,568,330,198,684,928
  5. Step 5: Solve for x
    x = 636,568,330,198,684,928/919,380,709.93
  6. Step 6: Final answer
    x = 692,388,173.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.