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Finding the Fourth Proportional to 504,010,709.60, 756,016,064.40 and 158,999,212.40

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Solution

The fourth proportional to 504,010,709.60, 756,016,064.40 and 158,999,212.40 is: 238,498,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010,709.60 : 756,016,064.40 = 158,999,212.40 : x
  2. Step 2: Convert to fraction form
    504,010,709.60/756,016,064.40 = 158,999,212.40/x
  3. Step 3: Cross multiply
    504,010,709.60x = 756,016,064.40 × 158,999,212.40
  4. Step 4: Simplify right side
    504,010,709.60x = 120,205,958,801,347,680
  5. Step 5: Solve for x
    x = 120,205,958,801,347,680/504,010,709.60
  6. Step 6: Final answer
    x = 238,498,818.60

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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.