Home / 1,121,292,003.35-1,681,938,005.03-662,126,979.35

Finding the Fourth Proportional to 1,121,292,003.35, 1,681,938,005.03 and 662,126,979.35

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Solution

The fourth proportional to 1,121,292,003.35, 1,681,938,005.03 and 662,126,979.35 is: 993,190,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,292,003.35 : 1,681,938,005.03 = 662,126,979.35 : x
  2. Step 2: Convert to fraction form
    1,121,292,003.35/1,681,938,005.03 = 662,126,979.35/x
  3. Step 3: Cross multiply
    1,121,292,003.35x = 1,681,938,005.03 × 662,126,979.35
  4. Step 4: Simplify right side
    1,121,292,003.35x = 1,113,656,530,724,478,976
  5. Step 5: Solve for x
    x = 1,113,656,530,724,478,976/1,121,292,003.35
  6. Step 6: Final answer
    x = 993,190,469.03

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.