Home / 21,840,246,626,451-30,128,113,628,741-13,504,068,570,644

Finding the Fourth Proportional to 21,840,246,626,451, 30,128,113,628,741 and 13,504,068,570,644

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Solution

The fourth proportional to 21,840,246,626,451, 30,128,113,628,741 and 13,504,068,570,644 is: 18,628,549,361,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,246,626,451 : 30,128,113,628,741 = 13,504,068,570,644 : x
  2. Step 2: Convert to fraction form
    21,840,246,626,451/30,128,113,628,741 = 13,504,068,570,644/x
  3. Step 3: Cross multiply
    21,840,246,626,451x = 30,128,113,628,741 × 13,504,068,570,644
  4. Step 4: Simplify right side
    21,840,246,626,451x = 406,852,112,346,672,513,721,303,040
  5. Step 5: Solve for x
    x = 406,852,112,346,672,513,721,303,040/21,840,246,626,451
  6. Step 6: Final answer
    x = 18,628,549,361,431.14

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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.