Home / 21,657,619,168.53-29,852,981,304.79-17,072,406,170.26

Finding the Fourth Proportional to 21,657,619,168.53, 29,852,981,304.79 and 17,072,406,170.26

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Solution

The fourth proportional to 21,657,619,168.53, 29,852,981,304.79 and 17,072,406,170.26 is: 23,532,698,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657,619,168.53 : 29,852,981,304.79 = 17,072,406,170.26 : x
  2. Step 2: Convert to fraction form
    21,657,619,168.53/29,852,981,304.79 = 17,072,406,170.26/x
  3. Step 3: Cross multiply
    21,657,619,168.53x = 29,852,981,304.79 × 17,072,406,170.26
  4. Step 4: Simplify right side
    21,657,619,168.53x = 509,662,222,228,655,570,944
  5. Step 5: Solve for x
    x = 509,662,222,228,655,570,944/21,657,619,168.53
  6. Step 6: Final answer
    x = 23,532,698,504.98

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1.5x scale

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.