Home / 2,912,647,567.73-4,020,546,703.10-1,909,129,805.25

Finding the Fourth Proportional to 2,912,647,567.73, 4,020,546,703.10 and 1,909,129,805.25

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Solution

The fourth proportional to 2,912,647,567.73, 4,020,546,703.10 and 1,909,129,805.25 is: 2,635,315,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,647,567.73 : 4,020,546,703.10 = 1,909,129,805.25 : x
  2. Step 2: Convert to fraction form
    2,912,647,567.73/4,020,546,703.10 = 1,909,129,805.25/x
  3. Step 3: Cross multiply
    2,912,647,567.73x = 4,020,546,703.10 × 1,909,129,805.25
  4. Step 4: Simplify right side
    2,912,647,567.73x = 7,675,745,544,278,286,336
  5. Step 5: Solve for x
    x = 7,675,745,544,278,286,336/2,912,647,567.73
  6. Step 6: Final answer
    x = 2,635,315,590.30

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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.