Home / 835,128,185.40-1,253,787,081.94-560,010,453.56

Finding the Fourth Proportional to 835,128,185.40, 1,253,787,081.94 and 560,010,453.56

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Solution

The fourth proportional to 835,128,185.40, 1,253,787,081.94 and 560,010,453.56 is: 840,749,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,128,185.40 : 1,253,787,081.94 = 560,010,453.56 : x
  2. Step 2: Convert to fraction form
    835,128,185.40/1,253,787,081.94 = 560,010,453.56/x
  3. Step 3: Cross multiply
    835,128,185.40x = 1,253,787,081.94 × 560,010,453.56
  4. Step 4: Simplify right side
    835,128,185.40x = 702,133,872,424,888,192
  5. Step 5: Solve for x
    x = 702,133,872,424,888,192/835,128,185.40
  6. Step 6: Final answer
    x = 840,749,821.05

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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.