Home / 1,985,627,564.28-2,740,463,938.98-1,508,532,839.96

Finding the Fourth Proportional to 1,985,627,564.28, 2,740,463,938.98 and 1,508,532,839.96

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Solution

The fourth proportional to 1,985,627,564.28, 2,740,463,938.98 and 1,508,532,839.96 is: 2,082,001,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,627,564.28 : 2,740,463,938.98 = 1,508,532,839.96 : x
  2. Step 2: Convert to fraction form
    1,985,627,564.28/2,740,463,938.98 = 1,508,532,839.96/x
  3. Step 3: Cross multiply
    1,985,627,564.28x = 2,740,463,938.98 × 1,508,532,839.96
  4. Step 4: Simplify right side
    1,985,627,564.28x = 4,134,079,848,663,764,992
  5. Step 5: Solve for x
    x = 4,134,079,848,663,764,992/1,985,627,564.28
  6. Step 6: Final answer
    x = 2,082,001,641.71

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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.