Home / 1,213,641,109.44-1,674,832,464-711,747,561.60

Finding the Fourth Proportional to 1,213,641,109.44, 1,674,832,464 and 711,747,561.60

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Solution

The fourth proportional to 1,213,641,109.44, 1,674,832,464 and 711,747,561.60 is: 982,216,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,641,109.44 : 1,674,832,464 = 711,747,561.60 : x
  2. Step 2: Convert to fraction form
    1,213,641,109.44/1,674,832,464 = 711,747,561.60/x
  3. Step 3: Cross multiply
    1,213,641,109.44x = 1,674,832,464 × 711,747,561.60
  4. Step 4: Simplify right side
    1,213,641,109.44x = 1,192,057,922,340,519,936
  5. Step 5: Solve for x
    x = 1,192,057,922,340,519,936/1,213,641,109.44
  6. Step 6: Final answer
    x = 982,216,170.06

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1.5x scale

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.