Home / 47,135,985,413.82-70,717,242,888.33-20,608,831,549.50

Finding the Fourth Proportional to 47,135,985,413.82, 70,717,242,888.33 and 20,608,831,549.50

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Solution

The fourth proportional to 47,135,985,413.82, 70,717,242,888.33 and 20,608,831,549.50 is: 30,919,046,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135,985,413.82 : 70,717,242,888.33 = 20,608,831,549.50 : x
  2. Step 2: Convert to fraction form
    47,135,985,413.82/70,717,242,888.33 = 20,608,831,549.50/x
  3. Step 3: Cross multiply
    47,135,985,413.82x = 70,717,242,888.33 × 20,608,831,549.50
  4. Step 4: Simplify right side
    47,135,985,413.82x = 1,457,399,746,330,669,875,200
  5. Step 5: Solve for x
    x = 1,457,399,746,330,669,875,200/47,135,985,413.82
  6. Step 6: Final answer
    x = 30,919,046,956.07

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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.