Home / 12,561,938,100.60-18,842,907,150.90-12,474,768,490.58

Finding the Fourth Proportional to 12,561,938,100.60, 18,842,907,150.90 and 12,474,768,490.58

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Solution

The fourth proportional to 12,561,938,100.60, 18,842,907,150.90 and 12,474,768,490.58 is: 18,712,152,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,938,100.60 : 18,842,907,150.90 = 12,474,768,490.58 : x
  2. Step 2: Convert to fraction form
    12,561,938,100.60/18,842,907,150.90 = 12,474,768,490.58/x
  3. Step 3: Cross multiply
    12,561,938,100.60x = 18,842,907,150.90 × 12,474,768,490.58
  4. Step 4: Simplify right side
    12,561,938,100.60x = 235,060,904,396,877,692,928
  5. Step 5: Solve for x
    x = 235,060,904,396,877,692,928/12,561,938,100.60
  6. Step 6: Final answer
    x = 18,712,152,735.86

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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.