Home / 1,237,664,172.52-1,856,707,765.98-510,255,245.80

Finding the Fourth Proportional to 1,237,664,172.52, 1,856,707,765.98 and 510,255,245.80

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Solution

The fourth proportional to 1,237,664,172.52, 1,856,707,765.98 and 510,255,245.80 is: 765,470,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,664,172.52 : 1,856,707,765.98 = 510,255,245.80 : x
  2. Step 2: Convert to fraction form
    1,237,664,172.52/1,856,707,765.98 = 510,255,245.80/x
  3. Step 3: Cross multiply
    1,237,664,172.52x = 1,856,707,765.98 × 510,255,245.80
  4. Step 4: Simplify right side
    1,237,664,172.52x = 947,394,877,508,893,824
  5. Step 5: Solve for x
    x = 947,394,877,508,893,824/1,237,664,172.52
  6. Step 6: Final answer
    x = 765,470,067.36

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Double scale
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1.5x scale

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.