Home / 783,957,169.80-1,176,752,940.03-347,564,319.75

Finding the Fourth Proportional to 783,957,169.80, 1,176,752,940.03 and 347,564,319.75

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Solution

The fourth proportional to 783,957,169.80, 1,176,752,940.03 and 347,564,319.75 is: 521,708,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,957,169.80 : 1,176,752,940.03 = 347,564,319.75 : x
  2. Step 2: Convert to fraction form
    783,957,169.80/1,176,752,940.03 = 347,564,319.75/x
  3. Step 3: Cross multiply
    783,957,169.80x = 1,176,752,940.03 × 347,564,319.75
  4. Step 4: Simplify right side
    783,957,169.80x = 408,997,335,115,339,456
  5. Step 5: Solve for x
    x = 408,997,335,115,339,456/783,957,169.80
  6. Step 6: Final answer
    x = 521,708,775.52

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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.