Home / 512,743,141.04-707,584,577.26-277,799,640.80

Finding the Fourth Proportional to 512,743,141.04, 707,584,577.26 and 277,799,640.80

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Solution

The fourth proportional to 512,743,141.04, 707,584,577.26 and 277,799,640.80 is: 383,362,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,743,141.04 : 707,584,577.26 = 277,799,640.80 : x
  2. Step 2: Convert to fraction form
    512,743,141.04/707,584,577.26 = 277,799,640.80/x
  3. Step 3: Cross multiply
    512,743,141.04x = 707,584,577.26 × 277,799,640.80
  4. Step 4: Simplify right side
    512,743,141.04x = 196,566,741,398,447,840
  5. Step 5: Solve for x
    x = 196,566,741,398,447,840/512,743,141.04
  6. Step 6: Final answer
    x = 383,362,985.61

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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.