Home / 1,261,189,179.27-1,740,407,347.71-696,661,910.83

Finding the Fourth Proportional to 1,261,189,179.27, 1,740,407,347.71 and 696,661,910.83

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Solution

The fourth proportional to 1,261,189,179.27, 1,740,407,347.71 and 696,661,910.83 is: 961,374,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,189,179.27 : 1,740,407,347.71 = 696,661,910.83 : x
  2. Step 2: Convert to fraction form
    1,261,189,179.27/1,740,407,347.71 = 696,661,910.83/x
  3. Step 3: Cross multiply
    1,261,189,179.27x = 1,740,407,347.71 × 696,661,910.83
  4. Step 4: Simplify right side
    1,261,189,179.27x = 1,212,475,508,478,220,800
  5. Step 5: Solve for x
    x = 1,212,475,508,478,220,800/1,261,189,179.27
  6. Step 6: Final answer
    x = 961,374,810.70

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Half scale
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Double scale
Find fourth proportional to 1,261,189,180.27, 1,740,407,349.09 and 696,661,911.83
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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.