Home / 19,679,069,901.76-27,175,872,316.56-18,606,966,723.15

Finding the Fourth Proportional to 19,679,069,901.76, 27,175,872,316.56 and 18,606,966,723.15

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Solution

The fourth proportional to 19,679,069,901.76, 27,175,872,316.56 and 18,606,966,723.15 is: 25,695,348,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679,069,901.76 : 27,175,872,316.56 = 18,606,966,723.15 : x
  2. Step 2: Convert to fraction form
    19,679,069,901.76/27,175,872,316.56 = 18,606,966,723.15/x
  3. Step 3: Cross multiply
    19,679,069,901.76x = 27,175,872,316.56 × 18,606,966,723.15
  4. Step 4: Simplify right side
    19,679,069,901.76x = 505,660,551,866,805,321,728
  5. Step 5: Solve for x
    x = 505,660,551,866,805,321,728/19,679,069,901.76
  6. Step 6: Final answer
    x = 25,695,348,123.22

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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.