Home / 991,724,582.98-1,365,464,683.77-842,731,446.34

Finding the Fourth Proportional to 991,724,582.98, 1,365,464,683.77 and 842,731,446.34

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Solution

The fourth proportional to 991,724,582.98, 1,365,464,683.77 and 842,731,446.34 is: 1,160,322,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,724,582.98 : 1,365,464,683.77 = 842,731,446.34 : x
  2. Step 2: Convert to fraction form
    991,724,582.98/1,365,464,683.77 = 842,731,446.34/x
  3. Step 3: Cross multiply
    991,724,582.98x = 1,365,464,683.77 × 842,731,446.34
  4. Step 4: Simplify right side
    991,724,582.98x = 1,150,720,027,879,682,816
  5. Step 5: Solve for x
    x = 1,150,720,027,879,682,816/991,724,582.98
  6. Step 6: Final answer
    x = 1,160,322,177.78

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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.