Home / 12,754,612,809.40-19,131,919,214.10-8,759,877,100.60

Finding the Fourth Proportional to 12,754,612,809.40, 19,131,919,214.10 and 8,759,877,100.60

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Solution

The fourth proportional to 12,754,612,809.40, 19,131,919,214.10 and 8,759,877,100.60 is: 13,139,815,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,612,809.40 : 19,131,919,214.10 = 8,759,877,100.60 : x
  2. Step 2: Convert to fraction form
    12,754,612,809.40/19,131,919,214.10 = 8,759,877,100.60/x
  3. Step 3: Cross multiply
    12,754,612,809.40x = 19,131,919,214.10 × 8,759,877,100.60
  4. Step 4: Simplify right side
    12,754,612,809.40x = 167,593,261,014,123,741,184
  5. Step 5: Solve for x
    x = 167,593,261,014,123,741,184/12,754,612,809.40
  6. Step 6: Final answer
    x = 13,139,815,650.90

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Double scale
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Similar ratio
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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.