Home / 1,443,554,364.71-1,992,106,497.63-783,504,778.79

Finding the Fourth Proportional to 1,443,554,364.71, 1,992,106,497.63 and 783,504,778.79

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Solution

The fourth proportional to 1,443,554,364.71, 1,992,106,497.63 and 783,504,778.79 is: 1,081,237,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,554,364.71 : 1,992,106,497.63 = 783,504,778.79 : x
  2. Step 2: Convert to fraction form
    1,443,554,364.71/1,992,106,497.63 = 783,504,778.79/x
  3. Step 3: Cross multiply
    1,443,554,364.71x = 1,992,106,497.63 × 783,504,778.79
  4. Step 4: Simplify right side
    1,443,554,364.71x = 1,560,824,960,741,754,368
  5. Step 5: Solve for x
    x = 1,560,824,960,741,754,368/1,443,554,364.71
  6. Step 6: Final answer
    x = 1,081,237,394.94

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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.