Home / 6,399,986,415.95-9,580,852,896.20-3,871,261,940.12

Finding the Fourth Proportional to 6,399,986,415.95, 9,580,852,896.20 and 3,871,261,940.12

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Solution

The fourth proportional to 6,399,986,415.95, 9,580,852,896.20 and 3,871,261,940.12 is: 5,795,323,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,986,415.95 : 9,580,852,896.20 = 3,871,261,940.12 : x
  2. Step 2: Convert to fraction form
    6,399,986,415.95/9,580,852,896.20 = 3,871,261,940.12/x
  3. Step 3: Cross multiply
    6,399,986,415.95x = 9,580,852,896.20 × 3,871,261,940.12
  4. Step 4: Simplify right side
    6,399,986,415.95x = 37,089,991,170,909,298,688
  5. Step 5: Solve for x
    x = 37,089,991,170,909,298,688/6,399,986,415.95
  6. Step 6: Final answer
    x = 5,795,323,421.07

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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.