Home / 22,126,571,532.03-30,515,371,405.56-15,683,647,749.51

Finding the Fourth Proportional to 22,126,571,532.03, 30,515,371,405.56 and 15,683,647,749.51

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Solution

The fourth proportional to 22,126,571,532.03, 30,515,371,405.56 and 15,683,647,749.51 is: 21,629,755,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126,571,532.03 : 30,515,371,405.56 = 15,683,647,749.51 : x
  2. Step 2: Convert to fraction form
    22,126,571,532.03/30,515,371,405.56 = 15,683,647,749.51/x
  3. Step 3: Cross multiply
    22,126,571,532.03x = 30,515,371,405.56 × 15,683,647,749.51
  4. Step 4: Simplify right side
    22,126,571,532.03x = 478,592,336,070,272,942,080
  5. Step 5: Solve for x
    x = 478,592,336,070,272,942,080/22,126,571,532.03
  6. Step 6: Final answer
    x = 21,629,755,670.80

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Double scale
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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.