Home / 1,256,498,634.25-1,882,296,019.09-978,849,805.70

Finding the Fourth Proportional to 1,256,498,634.25, 1,882,296,019.09 and 978,849,805.70

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Solution

The fourth proportional to 1,256,498,634.25, 1,882,296,019.09 and 978,849,805.70 is: 1,466,364,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,498,634.25 : 1,882,296,019.09 = 978,849,805.70 : x
  2. Step 2: Convert to fraction form
    1,256,498,634.25/1,882,296,019.09 = 978,849,805.70/x
  3. Step 3: Cross multiply
    1,256,498,634.25x = 1,882,296,019.09 × 978,849,805.70
  4. Step 4: Simplify right side
    1,256,498,634.25x = 1,842,485,092,562,010,368
  5. Step 5: Solve for x
    x = 1,842,485,092,562,010,368/1,256,498,634.25
  6. Step 6: Final answer
    x = 1,466,364,580.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.