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Finding the Fourth Proportional to 943,279,939.60, 1,414,919,909.40 and 943,279,939.60

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Solution

The fourth proportional to 943,279,939.60, 1,414,919,909.40 and 943,279,939.60 is: 1,414,919,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,279,939.60 : 1,414,919,909.40 = 943,279,939.60 : x
  2. Step 2: Convert to fraction form
    943,279,939.60/1,414,919,909.40 = 943,279,939.60/x
  3. Step 3: Cross multiply
    943,279,939.60x = 1,414,919,909.40 × 943,279,939.60
  4. Step 4: Simplify right side
    943,279,939.60x = 1,334,665,566,677,669,632
  5. Step 5: Solve for x
    x = 1,334,665,566,677,669,632/943,279,939.60
  6. Step 6: Final answer
    x = 1,414,919,909.40

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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.