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Finding the Fourth Proportional to 884,952,313.80, 1,236,637,414.20 and 884,952,313.80

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Solution

The fourth proportional to 884,952,313.80, 1,236,637,414.20 and 884,952,313.80 is: 1,236,637,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,952,313.80 : 1,236,637,414.20 = 884,952,313.80 : x
  2. Step 2: Convert to fraction form
    884,952,313.80/1,236,637,414.20 = 884,952,313.80/x
  3. Step 3: Cross multiply
    884,952,313.80x = 1,236,637,414.20 × 884,952,313.80
  4. Step 4: Simplify right side
    884,952,313.80x = 1,094,365,141,027,938,944
  5. Step 5: Solve for x
    x = 1,094,365,141,027,938,944/884,952,313.80
  6. Step 6: Final answer
    x = 1,236,637,414.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.