Home / 1,692,803,604.75-2,538,199,496.89-643,618,609.26

Finding the Fourth Proportional to 1,692,803,604.75, 2,538,199,496.89 and 643,618,609.26

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Solution

The fourth proportional to 1,692,803,604.75, 2,538,199,496.89 and 643,618,609.26 is: 965,045,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,803,604.75 : 2,538,199,496.89 = 643,618,609.26 : x
  2. Step 2: Convert to fraction form
    1,692,803,604.75/2,538,199,496.89 = 643,618,609.26/x
  3. Step 3: Cross multiply
    1,692,803,604.75x = 2,538,199,496.89 × 643,618,609.26
  4. Step 4: Simplify right side
    1,692,803,604.75x = 1,633,632,430,212,773,376
  5. Step 5: Solve for x
    x = 1,633,632,430,212,773,376/1,692,803,604.75
  6. Step 6: Final answer
    x = 965,045,458.10

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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.