Home / 15,147,725,627.60-22,721,588,441.40-9,923,448,021.20

Finding the Fourth Proportional to 15,147,725,627.60, 22,721,588,441.40 and 9,923,448,021.20

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Solution

The fourth proportional to 15,147,725,627.60, 22,721,588,441.40 and 9,923,448,021.20 is: 14,885,172,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147,725,627.60 : 22,721,588,441.40 = 9,923,448,021.20 : x
  2. Step 2: Convert to fraction form
    15,147,725,627.60/22,721,588,441.40 = 9,923,448,021.20/x
  3. Step 3: Cross multiply
    15,147,725,627.60x = 22,721,588,441.40 × 9,923,448,021.20
  4. Step 4: Simplify right side
    15,147,725,627.60x = 225,476,501,857,331,642,368
  5. Step 5: Solve for x
    x = 225,476,501,857,331,642,368/15,147,725,627.60
  6. Step 6: Final answer
    x = 14,885,172,031.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.