Home / 503,473,199,891.72-755,215,792,818.20-140,416,775,879.71

Finding the Fourth Proportional to 503,473,199,891.72, 755,215,792,818.20 and 140,416,775,879.71

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Solution

The fourth proportional to 503,473,199,891.72, 755,215,792,818.20 and 140,416,775,879.71 is: 210,626,835,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,473,199,891.72 : 755,215,792,818.20 = 140,416,775,879.71 : x
  2. Step 2: Convert to fraction form
    503,473,199,891.72/755,215,792,818.20 = 140,416,775,879.71/x
  3. Step 3: Cross multiply
    503,473,199,891.72x = 755,215,792,818.20 × 140,416,775,879.71
  4. Step 4: Simplify right side
    503,473,199,891.72x = 106,044,966,720,970,684,366,848
  5. Step 5: Solve for x
    x = 106,044,966,720,970,684,366,848/503,473,199,891.72
  6. Step 6: Final answer
    x = 210,626,835,239.25

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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.