Home / 503,473,199,892.72-755,215,792,819.70-140,416,775,880.72

Finding the Fourth Proportional to 503,473,199,892.72, 755,215,792,819.70 and 140,416,775,880.72

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Solution

The fourth proportional to 503,473,199,892.72, 755,215,792,819.70 and 140,416,775,880.72 is: 210,626,835,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,473,199,892.72 : 755,215,792,819.70 = 140,416,775,880.72 : x
  2. Step 2: Convert to fraction form
    503,473,199,892.72/755,215,792,819.70 = 140,416,775,880.72/x
  3. Step 3: Cross multiply
    503,473,199,892.72x = 755,215,792,819.70 × 140,416,775,880.72
  4. Step 4: Simplify right side
    503,473,199,892.72x = 106,044,966,721,944,081,661,952
  5. Step 5: Solve for x
    x = 106,044,966,721,944,081,661,952/503,473,199,892.72
  6. Step 6: Final answer
    x = 210,626,835,240.76

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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.