Home / 10,725,028,763.72-14,802,588,829.43-7,101,661,640.36

Finding the Fourth Proportional to 10,725,028,763.72, 14,802,588,829.43 and 7,101,661,640.36

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Solution

The fourth proportional to 10,725,028,763.72, 14,802,588,829.43 and 7,101,661,640.36 is: 9,801,649,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725,028,763.72 : 14,802,588,829.43 = 7,101,661,640.36 : x
  2. Step 2: Convert to fraction form
    10,725,028,763.72/14,802,588,829.43 = 7,101,661,640.36/x
  3. Step 3: Cross multiply
    10,725,028,763.72x = 14,802,588,829.43 × 7,101,661,640.36
  4. Step 4: Simplify right side
    10,725,028,763.72x = 105,122,977,267,984,465,920
  5. Step 5: Solve for x
    x = 105,122,977,267,984,465,920/10,725,028,763.72
  6. Step 6: Final answer
    x = 9,801,649,914.79

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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.