Home / 1,395,831,254.09-1,926,241,309.91-769,298,186.75

Finding the Fourth Proportional to 1,395,831,254.09, 1,926,241,309.91 and 769,298,186.75

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Solution

The fourth proportional to 1,395,831,254.09, 1,926,241,309.91 and 769,298,186.75 is: 1,061,628,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,831,254.09 : 1,926,241,309.91 = 769,298,186.75 : x
  2. Step 2: Convert to fraction form
    1,395,831,254.09/1,926,241,309.91 = 769,298,186.75/x
  3. Step 3: Cross multiply
    1,395,831,254.09x = 1,926,241,309.91 × 769,298,186.75
  4. Step 4: Simplify right side
    1,395,831,254.09x = 1,481,853,946,948,999,680
  5. Step 5: Solve for x
    x = 1,481,853,946,948,999,680/1,395,831,254.09
  6. Step 6: Final answer
    x = 1,061,628,289.67

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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.