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Finding the Fourth Proportional to 898,561,695.60, 1,347,842,543.40 and 898,561,695.60

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Solution

The fourth proportional to 898,561,695.60, 1,347,842,543.40 and 898,561,695.60 is: 1,347,842,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,561,695.60 : 1,347,842,543.40 = 898,561,695.60 : x
  2. Step 2: Convert to fraction form
    898,561,695.60/1,347,842,543.40 = 898,561,695.60/x
  3. Step 3: Cross multiply
    898,561,695.60x = 1,347,842,543.40 × 898,561,695.60
  4. Step 4: Simplify right side
    898,561,695.60x = 1,211,119,681,199,320,832
  5. Step 5: Solve for x
    x = 1,211,119,681,199,320,832/898,561,695.60
  6. Step 6: Final answer
    x = 1,347,842,543.40

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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.