Home / 751,116,975.36-1,125,880,272.32-252,652,968.64

Finding the Fourth Proportional to 751,116,975.36, 1,125,880,272.32 and 252,652,968.64

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Solution

The fourth proportional to 751,116,975.36, 1,125,880,272.32 and 252,652,968.64 is: 378,711,974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,116,975.36 : 1,125,880,272.32 = 252,652,968.64 : x
  2. Step 2: Convert to fraction form
    751,116,975.36/1,125,880,272.32 = 252,652,968.64/x
  3. Step 3: Cross multiply
    751,116,975.36x = 1,125,880,272.32 × 252,652,968.64
  4. Step 4: Simplify right side
    751,116,975.36x = 284,456,993,134,859,584
  5. Step 5: Solve for x
    x = 284,456,993,134,859,584/751,116,975.36
  6. Step 6: Final answer
    x = 378,711,974.92

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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.