Home / 863,154,909.96-1,191,151,535.35-481,672,945.07

Finding the Fourth Proportional to 863,154,909.96, 1,191,151,535.35 and 481,672,945.07

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Solution

The fourth proportional to 863,154,909.96, 1,191,151,535.35 and 481,672,945.07 is: 664,707,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,154,909.96 : 1,191,151,535.35 = 481,672,945.07 : x
  2. Step 2: Convert to fraction form
    863,154,909.96/1,191,151,535.35 = 481,672,945.07/x
  3. Step 3: Cross multiply
    863,154,909.96x = 1,191,151,535.35 × 481,672,945.07
  4. Step 4: Simplify right side
    863,154,909.96x = 573,745,468,056,686,656
  5. Step 5: Solve for x
    x = 573,745,468,056,686,656/863,154,909.96
  6. Step 6: Final answer
    x = 664,707,413.97

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Double scale
Find fourth proportional to 863,154,910.96, 1,191,151,536.73 and 481,672,946.07
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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.