Home / 1,109,933,928.15-1,531,585,242.09-614,772,633.75

Finding the Fourth Proportional to 1,109,933,928.15, 1,531,585,242.09 and 614,772,633.75

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Solution

The fourth proportional to 1,109,933,928.15, 1,531,585,242.09 and 614,772,633.75 is: 848,317,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,933,928.15 : 1,531,585,242.09 = 614,772,633.75 : x
  2. Step 2: Convert to fraction form
    1,109,933,928.15/1,531,585,242.09 = 614,772,633.75/x
  3. Step 3: Cross multiply
    1,109,933,928.15x = 1,531,585,242.09 × 614,772,633.75
  4. Step 4: Simplify right side
    1,109,933,928.15x = 941,576,693,092,300,544
  5. Step 5: Solve for x
    x = 941,576,693,092,300,544/1,109,933,928.15
  6. Step 6: Final answer
    x = 848,317,786.50

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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.