Home / 1,396,560,587.61-1,927,339,634.70-770,027,078.01

Finding the Fourth Proportional to 1,396,560,587.61, 1,927,339,634.70 and 770,027,078.01

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Solution

The fourth proportional to 1,396,560,587.61, 1,927,339,634.70 and 770,027,078.01 is: 1,062,684,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,560,587.61 : 1,927,339,634.70 = 770,027,078.01 : x
  2. Step 2: Convert to fraction form
    1,396,560,587.61/1,927,339,634.70 = 770,027,078.01/x
  3. Step 3: Cross multiply
    1,396,560,587.61x = 1,927,339,634.70 × 770,027,078.01
  4. Step 4: Simplify right side
    1,396,560,587.61x = 1,484,103,707,240,901,888
  5. Step 5: Solve for x
    x = 1,484,103,707,240,901,888/1,396,560,587.61
  6. Step 6: Final answer
    x = 1,062,684,798.93

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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.