Home / 12,561,938,101.35-18,842,907,152.03-12,474,768,491.33

Finding the Fourth Proportional to 12,561,938,101.35, 18,842,907,152.03 and 12,474,768,491.33

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Solution

The fourth proportional to 12,561,938,101.35, 18,842,907,152.03 and 12,474,768,491.33 is: 18,712,152,736.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,938,101.35 : 18,842,907,152.03 = 12,474,768,491.33 : x
  2. Step 2: Convert to fraction form
    12,561,938,101.35/18,842,907,152.03 = 12,474,768,491.33/x
  3. Step 3: Cross multiply
    12,561,938,101.35x = 18,842,907,152.03 × 12,474,768,491.33
  4. Step 4: Simplify right side
    12,561,938,101.35x = 235,060,904,425,043,984,384
  5. Step 5: Solve for x
    x = 235,060,904,425,043,984,384/12,561,938,101.35
  6. Step 6: Final answer
    x = 18,712,152,736.99

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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.