Home / 818,921,551.56-1,228,382,327.40-273,663,085.56

Finding the Fourth Proportional to 818,921,551.56, 1,228,382,327.40 and 273,663,085.56

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Solution

The fourth proportional to 818,921,551.56, 1,228,382,327.40 and 273,663,085.56 is: 410,494,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,921,551.56 : 1,228,382,327.40 = 273,663,085.56 : x
  2. Step 2: Convert to fraction form
    818,921,551.56/1,228,382,327.40 = 273,663,085.56/x
  3. Step 3: Cross multiply
    818,921,551.56x = 1,228,382,327.40 × 273,663,085.56
  4. Step 4: Simplify right side
    818,921,551.56x = 336,162,897,963,658,176
  5. Step 5: Solve for x
    x = 336,162,897,963,658,176/818,921,551.56
  6. Step 6: Final answer
    x = 410,494,628.36

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Double scale
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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.