Home / 19,018,768,786.97-28,528,136,789.18-4,853,733,400.13

Finding the Fourth Proportional to 19,018,768,786.97, 28,528,136,789.18 and 4,853,733,400.13

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Solution

The fourth proportional to 19,018,768,786.97, 28,528,136,789.18 and 4,853,733,400.13 is: 7,280,595,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018,768,786.97 : 28,528,136,789.18 = 4,853,733,400.13 : x
  2. Step 2: Convert to fraction form
    19,018,768,786.97/28,528,136,789.18 = 4,853,733,400.13/x
  3. Step 3: Cross multiply
    19,018,768,786.97x = 28,528,136,789.18 × 4,853,733,400.13
  4. Step 4: Simplify right side
    19,018,768,786.97x = 138,467,970,376,987,443,200
  5. Step 5: Solve for x
    x = 138,467,970,376,987,443,200/19,018,768,786.97
  6. Step 6: Final answer
    x = 7,280,595,917.01

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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.