Home / 14,978,570,889.60-20,660,472,538.68-9,632,893,558.36

Finding the Fourth Proportional to 14,978,570,889.60, 20,660,472,538.68 and 9,632,893,558.36

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Solution

The fourth proportional to 14,978,570,889.60, 20,660,472,538.68 and 9,632,893,558.36 is: 13,286,990,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,570,889.60 : 20,660,472,538.68 = 9,632,893,558.36 : x
  2. Step 2: Convert to fraction form
    14,978,570,889.60/20,660,472,538.68 = 9,632,893,558.36/x
  3. Step 3: Cross multiply
    14,978,570,889.60x = 20,660,472,538.68 × 9,632,893,558.36
  4. Step 4: Simplify right side
    14,978,570,889.60x = 199,020,132,830,524,276,736
  5. Step 5: Solve for x
    x = 199,020,132,830,524,276,736/14,978,570,889.60
  6. Step 6: Final answer
    x = 13,286,990,748.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.