Home / 1,163,591,211.73-1,605,789,939.77-634,989,269.19

Finding the Fourth Proportional to 1,163,591,211.73, 1,605,789,939.77 and 634,989,269.19

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Solution

The fourth proportional to 1,163,591,211.73, 1,605,789,939.77 and 634,989,269.19 is: 876,303,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,591,211.73 : 1,605,789,939.77 = 634,989,269.19 : x
  2. Step 2: Convert to fraction form
    1,163,591,211.73/1,605,789,939.77 = 634,989,269.19/x
  3. Step 3: Cross multiply
    1,163,591,211.73x = 1,605,789,939.77 × 634,989,269.19
  4. Step 4: Simplify right side
    1,163,591,211.73x = 1,019,659,380,328,045,952
  5. Step 5: Solve for x
    x = 1,019,659,380,328,045,952/1,163,591,211.73
  6. Step 6: Final answer
    x = 876,303,782.68

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Double scale
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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.