Home / 1,286,516,609.28-1,924,905,087.72-762,167,137.14

Finding the Fourth Proportional to 1,286,516,609.28, 1,924,905,087.72 and 762,167,137.14

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Solution

The fourth proportional to 1,286,516,609.28, 1,924,905,087.72 and 762,167,137.14 is: 1,140,365,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,516,609.28 : 1,924,905,087.72 = 762,167,137.14 : x
  2. Step 2: Convert to fraction form
    1,286,516,609.28/1,924,905,087.72 = 762,167,137.14/x
  3. Step 3: Cross multiply
    1,286,516,609.28x = 1,924,905,087.72 × 762,167,137.14
  4. Step 4: Simplify right side
    1,286,516,609.28x = 1,467,099,399,973,773,056
  5. Step 5: Solve for x
    x = 1,467,099,399,973,773,056/1,286,516,609.28
  6. Step 6: Final answer
    x = 1,140,365,689.33

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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.