Home / 12,728,972,563,642-17,569,250,461,145-8,290,473,918,023

Finding the Fourth Proportional to 12,728,972,563,642, 17,569,250,461,145 and 8,290,473,918,023

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Solution

The fourth proportional to 12,728,972,563,642, 17,569,250,461,145 and 8,290,473,918,023 is: 11,442,982,690,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,972,563,642 : 17,569,250,461,145 = 8,290,473,918,023 : x
  2. Step 2: Convert to fraction form
    12,728,972,563,642/17,569,250,461,145 = 8,290,473,918,023/x
  3. Step 3: Cross multiply
    12,728,972,563,642x = 17,569,250,461,145 × 8,290,473,918,023
  4. Step 4: Simplify right side
    12,728,972,563,642x = 145,657,412,707,336,179,995,901,952
  5. Step 5: Solve for x
    x = 145,657,412,707,336,179,995,901,952/12,728,972,563,642
  6. Step 6: Final answer
    x = 11,442,982,690,007.53

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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.