Home / 1,422,278,184,091.10-1,962,745,346,651.10-771,956,901,788.12

Finding the Fourth Proportional to 1,422,278,184,091.10, 1,962,745,346,651.10 and 771,956,901,788.12

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Solution

The fourth proportional to 1,422,278,184,091.10, 1,962,745,346,651.10 and 771,956,901,788.12 is: 1,065,301,312,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,278,184,091.10 : 1,962,745,346,651.10 = 771,956,901,788.12 : x
  2. Step 2: Convert to fraction form
    1,422,278,184,091.10/1,962,745,346,651.10 = 771,956,901,788.12/x
  3. Step 3: Cross multiply
    1,422,278,184,091.10x = 1,962,745,346,651.10 × 771,956,901,788.12
  4. Step 4: Simplify right side
    1,422,278,184,091.10x = 1,515,154,816,799,832,839,028,736
  5. Step 5: Solve for x
    x = 1,515,154,816,799,832,839,028,736/1,422,278,184,091.10
  6. Step 6: Final answer
    x = 1,065,301,312,884.92

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Double scale
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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.