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Finding the Fourth Proportional to 559,876,800.60, 839,815,200.90 and 314,988,787.80

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Solution

The fourth proportional to 559,876,800.60, 839,815,200.90 and 314,988,787.80 is: 472,483,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,876,800.60 : 839,815,200.90 = 314,988,787.80 : x
  2. Step 2: Convert to fraction form
    559,876,800.60/839,815,200.90 = 314,988,787.80/x
  3. Step 3: Cross multiply
    559,876,800.60x = 839,815,200.90 × 314,988,787.80
  4. Step 4: Simplify right side
    559,876,800.60x = 264,532,372,107,504,480
  5. Step 5: Solve for x
    x = 264,532,372,107,504,480/559,876,800.60
  6. Step 6: Final answer
    x = 472,483,181.70

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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.