Home / 9,419,438,893.53-12,999,102,950.75-5,190,623,187.19

Finding the Fourth Proportional to 9,419,438,893.53, 12,999,102,950.75 and 5,190,623,187.19

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Solution

The fourth proportional to 9,419,438,893.53, 12,999,102,950.75 and 5,190,623,187.19 is: 7,163,212,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419,438,893.53 : 12,999,102,950.75 = 5,190,623,187.19 : x
  2. Step 2: Convert to fraction form
    9,419,438,893.53/12,999,102,950.75 = 5,190,623,187.19/x
  3. Step 3: Cross multiply
    9,419,438,893.53x = 12,999,102,950.75 × 5,190,623,187.19
  4. Step 4: Simplify right side
    9,419,438,893.53x = 67,473,445,188,832,894,976
  5. Step 5: Solve for x
    x = 67,473,445,188,832,894,976/9,419,438,893.53
  6. Step 6: Final answer
    x = 7,163,212,793.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.