Home / 448,538,742.67-618,983,576.88-247,595,729.53

Finding the Fourth Proportional to 448,538,742.67, 618,983,576.88 and 247,595,729.53

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Solution

The fourth proportional to 448,538,742.67, 618,983,576.88 and 247,595,729.53 is: 341,682,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,538,742.67 : 618,983,576.88 = 247,595,729.53 : x
  2. Step 2: Convert to fraction form
    448,538,742.67/618,983,576.88 = 247,595,729.53/x
  3. Step 3: Cross multiply
    448,538,742.67x = 618,983,576.88 × 247,595,729.53
  4. Step 4: Simplify right side
    448,538,742.67x = 153,257,690,282,526,016
  5. Step 5: Solve for x
    x = 153,257,690,282,526,016/448,538,742.67
  6. Step 6: Final answer
    x = 341,682,168.57

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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.