Home / 1,389,621,744.31-2,084,499,655.52-456,923,942.83

Finding the Fourth Proportional to 1,389,621,744.31, 2,084,499,655.52 and 456,923,942.83

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Solution

The fourth proportional to 1,389,621,744.31, 2,084,499,655.52 and 456,923,942.83 is: 685,407,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,621,744.31 : 2,084,499,655.52 = 456,923,942.83 : x
  2. Step 2: Convert to fraction form
    1,389,621,744.31/2,084,499,655.52 = 456,923,942.83/x
  3. Step 3: Cross multiply
    1,389,621,744.31x = 2,084,499,655.52 × 456,923,942.83
  4. Step 4: Simplify right side
    1,389,621,744.31x = 952,457,801,427,975,168
  5. Step 5: Solve for x
    x = 952,457,801,427,975,168/1,389,621,744.31
  6. Step 6: Final answer
    x = 685,407,957.47

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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.