Home / 751,743,447.71-1,127,658,244.52-199,031,494.34

Finding the Fourth Proportional to 751,743,447.71, 1,127,658,244.52 and 199,031,494.34

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Solution

The fourth proportional to 751,743,447.71, 1,127,658,244.52 and 199,031,494.34 is: 298,558,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,743,447.71 : 1,127,658,244.52 = 199,031,494.34 : x
  2. Step 2: Convert to fraction form
    751,743,447.71/1,127,658,244.52 = 199,031,494.34/x
  3. Step 3: Cross multiply
    751,743,447.71x = 1,127,658,244.52 × 199,031,494.34
  4. Step 4: Simplify right side
    751,743,447.71x = 224,439,505,514,953,440
  5. Step 5: Solve for x
    x = 224,439,505,514,953,440/751,743,447.71
  6. Step 6: Final answer
    x = 298,558,645.51

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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.