Home / 1,422,278,184,067.30-1,962,745,346,618.70-771,956,901,764.33

Finding the Fourth Proportional to 1,422,278,184,067.30, 1,962,745,346,618.70 and 771,956,901,764.33

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Solution

The fourth proportional to 1,422,278,184,067.30, 1,962,745,346,618.70 and 771,956,901,764.33 is: 1,065,301,312,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,278,184,067.30 : 1,962,745,346,618.70 = 771,956,901,764.33 : x
  2. Step 2: Convert to fraction form
    1,422,278,184,067.30/1,962,745,346,618.70 = 771,956,901,764.33/x
  3. Step 3: Cross multiply
    1,422,278,184,067.30x = 1,962,745,346,618.70 × 771,956,901,764.33
  4. Step 4: Simplify right side
    1,422,278,184,067.30x = 1,515,154,816,728,127,554,715,648
  5. Step 5: Solve for x
    x = 1,515,154,816,728,127,554,715,648/1,422,278,184,067.30
  6. Step 6: Final answer
    x = 1,065,301,312,852.33

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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.