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Finding the Fourth Proportional to 1,888,944,520.15, 2,833,314,606.96 and 578,850,375.70

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Solution

The fourth proportional to 1,888,944,520.15, 2,833,314,606.96 and 578,850,375.70 is: 868,244,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,944,520.15 : 2,833,314,606.96 = 578,850,375.70 : x
  2. Step 2: Convert to fraction form
    1,888,944,520.15/2,833,314,606.96 = 578,850,375.70/x
  3. Step 3: Cross multiply
    1,888,944,520.15x = 2,833,314,606.96 × 578,850,375.70
  4. Step 4: Simplify right side
    1,888,944,520.15x = 1,640,065,224,715,094,016
  5. Step 5: Solve for x
    x = 1,640,065,224,715,094,016/1,888,944,520.15
  6. Step 6: Final answer
    x = 868,244,253.45

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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.