Home / 885,787,235.85-1,328,680,853.78-368,045,603.85

Finding the Fourth Proportional to 885,787,235.85, 1,328,680,853.78 and 368,045,603.85

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Solution

The fourth proportional to 885,787,235.85, 1,328,680,853.78 and 368,045,603.85 is: 552,068,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,787,235.85 : 1,328,680,853.78 = 368,045,603.85 : x
  2. Step 2: Convert to fraction form
    885,787,235.85/1,328,680,853.78 = 368,045,603.85/x
  3. Step 3: Cross multiply
    885,787,235.85x = 1,328,680,853.78 × 368,045,603.85
  4. Step 4: Simplify right side
    885,787,235.85x = 489,015,147,153,393,664
  5. Step 5: Solve for x
    x = 489,015,147,153,393,664/885,787,235.85
  6. Step 6: Final answer
    x = 552,068,405.78

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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.