Home / 21,632,876,277.82-29,853,544,547.75-11,987,767,357.29

Finding the Fourth Proportional to 21,632,876,277.82, 29,853,544,547.75 and 11,987,767,357.29

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Solution

The fourth proportional to 21,632,876,277.82, 29,853,544,547.75 and 11,987,767,357.29 is: 16,543,216,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,876,277.82 : 29,853,544,547.75 = 11,987,767,357.29 : x
  2. Step 2: Convert to fraction form
    21,632,876,277.82/29,853,544,547.75 = 11,987,767,357.29/x
  3. Step 3: Cross multiply
    21,632,876,277.82x = 29,853,544,547.75 × 11,987,767,357.29
  4. Step 4: Simplify right side
    21,632,876,277.82x = 357,877,346,828,920,356,864
  5. Step 5: Solve for x
    x = 357,877,346,828,920,356,864/21,632,876,277.82
  6. Step 6: Final answer
    x = 16,543,216,086.15

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1.5x scale

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.