Home / 1,396,560,589.67-1,927,339,637.55-770,027,080.07

Finding the Fourth Proportional to 1,396,560,589.67, 1,927,339,637.55 and 770,027,080.07

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Solution

The fourth proportional to 1,396,560,589.67, 1,927,339,637.55 and 770,027,080.07 is: 1,062,684,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,560,589.67 : 1,927,339,637.55 = 770,027,080.07 : x
  2. Step 2: Convert to fraction form
    1,396,560,589.67/1,927,339,637.55 = 770,027,080.07/x
  3. Step 3: Cross multiply
    1,396,560,589.67x = 1,927,339,637.55 × 770,027,080.07
  4. Step 4: Simplify right side
    1,396,560,589.67x = 1,484,103,713,407,767,808
  5. Step 5: Solve for x
    x = 1,484,103,713,407,767,808/1,396,560,589.67
  6. Step 6: Final answer
    x = 1,062,684,801.78

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Double scale
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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.