Home / 1,188,224,655.57-1,639,920,543.37-711,933,833.97

Finding the Fourth Proportional to 1,188,224,655.57, 1,639,920,543.37 and 711,933,833.97

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Solution

The fourth proportional to 1,188,224,655.57, 1,639,920,543.37 and 711,933,833.97 is: 982,570,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,224,655.57 : 1,639,920,543.37 = 711,933,833.97 : x
  2. Step 2: Convert to fraction form
    1,188,224,655.57/1,639,920,543.37 = 711,933,833.97/x
  3. Step 3: Cross multiply
    1,188,224,655.57x = 1,639,920,543.37 × 711,933,833.97
  4. Step 4: Simplify right side
    1,188,224,655.57x = 1,167,514,919,845,789,952
  5. Step 5: Solve for x
    x = 1,167,514,919,845,789,952/1,188,224,655.57
  6. Step 6: Final answer
    x = 982,570,858.44

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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.