Home / 1,443,774,851.54-1,992,411,820.77-783,725,576.66

Finding the Fourth Proportional to 1,443,774,851.54, 1,992,411,820.77 and 783,725,576.66

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Solution

The fourth proportional to 1,443,774,851.54, 1,992,411,820.77 and 783,725,576.66 is: 1,081,542,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,774,851.54 : 1,992,411,820.77 = 783,725,576.66 : x
  2. Step 2: Convert to fraction form
    1,443,774,851.54/1,992,411,820.77 = 783,725,576.66/x
  3. Step 3: Cross multiply
    1,443,774,851.54x = 1,992,411,820.77 × 783,725,576.66
  4. Step 4: Simplify right side
    1,443,774,851.54x = 1,561,504,103,177,168,640
  5. Step 5: Solve for x
    x = 1,561,504,103,177,168,640/1,443,774,851.54
  6. Step 6: Final answer
    x = 1,081,542,666.79

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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.