Home / 991,724,580.48-1,365,464,680.32-842,731,443.84

Finding the Fourth Proportional to 991,724,580.48, 1,365,464,680.32 and 842,731,443.84

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Solution

The fourth proportional to 991,724,580.48, 1,365,464,680.32 and 842,731,443.84 is: 1,160,322,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,724,580.48 : 1,365,464,680.32 = 842,731,443.84 : x
  2. Step 2: Convert to fraction form
    991,724,580.48/1,365,464,680.32 = 842,731,443.84/x
  3. Step 3: Cross multiply
    991,724,580.48x = 1,365,464,680.32 × 842,731,443.84
  4. Step 4: Simplify right side
    991,724,580.48x = 1,150,720,021,558,597,632
  5. Step 5: Solve for x
    x = 1,150,720,021,558,597,632/991,724,580.48
  6. Step 6: Final answer
    x = 1,160,322,174.33

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Double scale
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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.