Home / 21,272,782,287.22-31,909,823,494.68-7,298,208,155.86

Finding the Fourth Proportional to 21,272,782,287.22, 31,909,823,494.68 and 7,298,208,155.86

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Solution

The fourth proportional to 21,272,782,287.22, 31,909,823,494.68 and 7,298,208,155.86 is: 10,947,535,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272,782,287.22 : 31,909,823,494.68 = 7,298,208,155.86 : x
  2. Step 2: Convert to fraction form
    21,272,782,287.22/31,909,823,494.68 = 7,298,208,155.86/x
  3. Step 3: Cross multiply
    21,272,782,287.22x = 31,909,823,494.68 × 7,298,208,155.86
  4. Step 4: Simplify right side
    21,272,782,287.22x = 232,884,534,080,926,613,504
  5. Step 5: Solve for x
    x = 232,884,534,080,926,613,504/21,272,782,287.22
  6. Step 6: Final answer
    x = 10,947,535,255.92

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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.