Home / 12,109,380,442.40-18,164,070,663.60-8,844,206,938.40

Finding the Fourth Proportional to 12,109,380,442.40, 18,164,070,663.60 and 8,844,206,938.40

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Solution

The fourth proportional to 12,109,380,442.40, 18,164,070,663.60 and 8,844,206,938.40 is: 13,266,310,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,380,442.40 : 18,164,070,663.60 = 8,844,206,938.40 : x
  2. Step 2: Convert to fraction form
    12,109,380,442.40/18,164,070,663.60 = 8,844,206,938.40/x
  3. Step 3: Cross multiply
    12,109,380,442.40x = 18,164,070,663.60 × 8,844,206,938.40
  4. Step 4: Simplify right side
    12,109,380,442.40x = 160,646,799,792,599,007,232
  5. Step 5: Solve for x
    x = 160,646,799,792,599,007,232/12,109,380,442.40
  6. Step 6: Final answer
    x = 13,266,310,407.60

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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.