Home / 338,907,668.47-467,666,915.60-190,200,069.28

Finding the Fourth Proportional to 338,907,668.47, 467,666,915.60 and 190,200,069.28

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Solution

The fourth proportional to 338,907,668.47, 467,666,915.60 and 190,200,069.28 is: 262,461,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,907,668.47 : 467,666,915.60 = 190,200,069.28 : x
  2. Step 2: Convert to fraction form
    338,907,668.47/467,666,915.60 = 190,200,069.28/x
  3. Step 3: Cross multiply
    338,907,668.47x = 467,666,915.60 × 190,200,069.28
  4. Step 4: Simplify right side
    338,907,668.47x = 88,950,279,748,144,000
  5. Step 5: Solve for x
    x = 88,950,279,748,144,000/338,907,668.47
  6. Step 6: Final answer
    x = 262,461,690.97

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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.