Home / 7,914,330,051.21-11,871,876,885.10-2,602,324,603.79

Finding the Fourth Proportional to 7,914,330,051.21, 11,871,876,885.10 and 2,602,324,603.79

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Solution

The fourth proportional to 7,914,330,051.21, 11,871,876,885.10 and 2,602,324,603.79 is: 3,903,612,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914,330,051.21 : 11,871,876,885.10 = 2,602,324,603.79 : x
  2. Step 2: Convert to fraction form
    7,914,330,051.21/11,871,876,885.10 = 2,602,324,603.79/x
  3. Step 3: Cross multiply
    7,914,330,051.21x = 11,871,876,885.10 × 2,602,324,603.79
  4. Step 4: Simplify right side
    7,914,330,051.21x = 30,894,477,311,308,550,144
  5. Step 5: Solve for x
    x = 30,894,477,311,308,550,144/7,914,330,051.21
  6. Step 6: Final answer
    x = 3,903,612,448.74

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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.