Home / 1,284,315,650,206.70-1,771,921,786,538.20-728,061,101,703.68

Finding the Fourth Proportional to 1,284,315,650,206.70, 1,771,921,786,538.20 and 728,061,101,703.68

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Solution

The fourth proportional to 1,284,315,650,206.70, 1,771,921,786,538.20 and 728,061,101,703.68 is: 1,004,478,398,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,315,650,206.70 : 1,771,921,786,538.20 = 728,061,101,703.68 : x
  2. Step 2: Convert to fraction form
    1,284,315,650,206.70/1,771,921,786,538.20 = 728,061,101,703.68/x
  3. Step 3: Cross multiply
    1,284,315,650,206.70x = 1,771,921,786,538.20 × 728,061,101,703.68
  4. Step 4: Simplify right side
    1,284,315,650,206.70x = 1,290,067,328,039,754,758,356,992
  5. Step 5: Solve for x
    x = 1,290,067,328,039,754,758,356,992/1,284,315,650,206.70
  6. Step 6: Final answer
    x = 1,004,478,398,929.52

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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.