Home / 860,273,612,284.80-1,187,171,545,642.40-469,640,176,034.40

Finding the Fourth Proportional to 860,273,612,284.80, 1,187,171,545,642.40 and 469,640,176,034.40

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Solution

The fourth proportional to 860,273,612,284.80, 1,187,171,545,642.40 and 469,640,176,034.40 is: 648,100,145,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,273,612,284.80 : 1,187,171,545,642.40 = 469,640,176,034.40 : x
  2. Step 2: Convert to fraction form
    860,273,612,284.80/1,187,171,545,642.40 = 469,640,176,034.40/x
  3. Step 3: Cross multiply
    860,273,612,284.80x = 1,187,171,545,642.40 × 469,640,176,034.40
  4. Step 4: Simplify right side
    860,273,612,284.80x = 557,543,453,678,527,481,643,008
  5. Step 5: Solve for x
    x = 557,543,453,678,527,481,643,008/860,273,612,284.80
  6. Step 6: Final answer
    x = 648,100,145,949.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.