Home / 2,155,681,627.80-3,233,522,441.70-1,938,003,394.20

Finding the Fourth Proportional to 2,155,681,627.80, 3,233,522,441.70 and 1,938,003,394.20

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Solution

The fourth proportional to 2,155,681,627.80, 3,233,522,441.70 and 1,938,003,394.20 is: 2,907,005,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,681,627.80 : 3,233,522,441.70 = 1,938,003,394.20 : x
  2. Step 2: Convert to fraction form
    2,155,681,627.80/3,233,522,441.70 = 1,938,003,394.20/x
  3. Step 3: Cross multiply
    2,155,681,627.80x = 3,233,522,441.70 × 1,938,003,394.20
  4. Step 4: Simplify right side
    2,155,681,627.80x = 6,266,577,467,236,471,808
  5. Step 5: Solve for x
    x = 6,266,577,467,236,471,808/2,155,681,627.80
  6. Step 6: Final answer
    x = 2,907,005,091.30

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Double scale
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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.