Home / 12,561,938,112.23-18,842,907,168.35-12,474,768,502.20

Finding the Fourth Proportional to 12,561,938,112.23, 18,842,907,168.35 and 12,474,768,502.20

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Solution

The fourth proportional to 12,561,938,112.23, 18,842,907,168.35 and 12,474,768,502.20 is: 18,712,152,753.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,938,112.23 : 18,842,907,168.35 = 12,474,768,502.20 : x
  2. Step 2: Convert to fraction form
    12,561,938,112.23/18,842,907,168.35 = 12,474,768,502.20/x
  3. Step 3: Cross multiply
    12,561,938,112.23x = 18,842,907,168.35 × 12,474,768,502.20
  4. Step 4: Simplify right side
    12,561,938,112.23x = 235,060,904,833,611,169,792
  5. Step 5: Solve for x
    x = 235,060,904,833,611,169,792/12,561,938,112.23
  6. Step 6: Final answer
    x = 18,712,152,753.31

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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.