Home / 1,443,554,368.71-1,992,106,503.15-783,504,782.79

Finding the Fourth Proportional to 1,443,554,368.71, 1,992,106,503.15 and 783,504,782.79

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Solution

The fourth proportional to 1,443,554,368.71, 1,992,106,503.15 and 783,504,782.79 is: 1,081,237,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,554,368.71 : 1,992,106,503.15 = 783,504,782.79 : x
  2. Step 2: Convert to fraction form
    1,443,554,368.71/1,992,106,503.15 = 783,504,782.79/x
  3. Step 3: Cross multiply
    1,443,554,368.71x = 1,992,106,503.15 × 783,504,782.79
  4. Step 4: Simplify right side
    1,443,554,368.71x = 1,560,824,973,045,087,232
  5. Step 5: Solve for x
    x = 1,560,824,973,045,087,232/1,443,554,368.71
  6. Step 6: Final answer
    x = 1,081,237,400.46

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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.