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Finding the Fourth Proportional to 204,073,705,978.80, 305,559,560,939.40 and 204,073,705,978.80

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Solution

The fourth proportional to 204,073,705,978.80, 305,559,560,939.40 and 204,073,705,978.80 is: 305,559,560,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,073,705,978.80 : 305,559,560,939.40 = 204,073,705,978.80 : x
  2. Step 2: Convert to fraction form
    204,073,705,978.80/305,559,560,939.40 = 204,073,705,978.80/x
  3. Step 3: Cross multiply
    204,073,705,978.80x = 305,559,560,939.40 × 204,073,705,978.80
  4. Step 4: Simplify right side
    204,073,705,978.80x = 62,356,671,998,158,341,931,008
  5. Step 5: Solve for x
    x = 62,356,671,998,158,341,931,008/204,073,705,978.80
  6. Step 6: Final answer
    x = 305,559,560,939.40

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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.