Home / 1,982,193,862.07-2,972,654,249.74-653,923,319.51

Finding the Fourth Proportional to 1,982,193,862.07, 2,972,654,249.74 and 653,923,319.51

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Solution

The fourth proportional to 1,982,193,862.07, 2,972,654,249.74 and 653,923,319.51 is: 980,674,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,193,862.07 : 2,972,654,249.74 = 653,923,319.51 : x
  2. Step 2: Convert to fraction form
    1,982,193,862.07/2,972,654,249.74 = 653,923,319.51/x
  3. Step 3: Cross multiply
    1,982,193,862.07x = 2,972,654,249.74 × 653,923,319.51
  4. Step 4: Simplify right side
    1,982,193,862.07x = 1,943,887,934,745,489,152
  5. Step 5: Solve for x
    x = 1,943,887,934,745,489,152/1,982,193,862.07
  6. Step 6: Final answer
    x = 980,674,984.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.