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Finding the Fourth Proportional to 10,561,427,995.60, 15,842,141,993.40 and 10,561,427,995.60

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Solution

The fourth proportional to 10,561,427,995.60, 15,842,141,993.40 and 10,561,427,995.60 is: 15,842,141,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,427,995.60 : 15,842,141,993.40 = 10,561,427,995.60 : x
  2. Step 2: Convert to fraction form
    10,561,427,995.60/15,842,141,993.40 = 10,561,427,995.60/x
  3. Step 3: Cross multiply
    10,561,427,995.60x = 15,842,141,993.40 × 10,561,427,995.60
  4. Step 4: Simplify right side
    10,561,427,995.60x = 167,315,641,959,365,148,672
  5. Step 5: Solve for x
    x = 167,315,641,959,365,148,672/10,561,427,995.60
  6. Step 6: Final answer
    x = 15,842,141,993.40

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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.