Home / 1,399,887,148,418-1,932,155,046,080-851,061,835,101.80

Finding the Fourth Proportional to 1,399,887,148,418, 1,932,155,046,080 and 851,061,835,101.80

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Solution

The fourth proportional to 1,399,887,148,418, 1,932,155,046,080 and 851,061,835,101.80 is: 1,174,654,272,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,887,148,418 : 1,932,155,046,080 = 851,061,835,101.80 : x
  2. Step 2: Convert to fraction form
    1,399,887,148,418/1,932,155,046,080 = 851,061,835,101.80/x
  3. Step 3: Cross multiply
    1,399,887,148,418x = 1,932,155,046,080 × 851,061,835,101.80
  4. Step 4: Simplify right side
    1,399,887,148,418x = 1,644,383,419,218,047,788,908,544
  5. Step 5: Solve for x
    x = 1,644,383,419,218,047,788,908,544/1,399,887,148,418
  6. Step 6: Final answer
    x = 1,174,654,272,007.82

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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.