Home / 21,559,696,701.60-32,351,638,287.60-9,135,913,072.80

Finding the Fourth Proportional to 21,559,696,701.60, 32,351,638,287.60 and 9,135,913,072.80

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Solution

The fourth proportional to 21,559,696,701.60, 32,351,638,287.60 and 9,135,913,072.80 is: 13,708,994,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,696,701.60 : 32,351,638,287.60 = 9,135,913,072.80 : x
  2. Step 2: Convert to fraction form
    21,559,696,701.60/32,351,638,287.60 = 9,135,913,072.80/x
  3. Step 3: Cross multiply
    21,559,696,701.60x = 32,351,638,287.60 × 9,135,913,072.80
  4. Step 4: Simplify right side
    21,559,696,701.60x = 295,561,755,158,181,838,848
  5. Step 5: Solve for x
    x = 295,561,755,158,181,838,848/21,559,696,701.60
  6. Step 6: Final answer
    x = 13,708,994,112.90

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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.