Home / 1,523,556,445.25-2,100,382,555.35-1,021,854,883.61

Finding the Fourth Proportional to 1,523,556,445.25, 2,100,382,555.35 and 1,021,854,883.61

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Solution

The fourth proportional to 1,523,556,445.25, 2,100,382,555.35 and 1,021,854,883.61 is: 1,408,734,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,556,445.25 : 2,100,382,555.35 = 1,021,854,883.61 : x
  2. Step 2: Convert to fraction form
    1,523,556,445.25/2,100,382,555.35 = 1,021,854,883.61/x
  3. Step 3: Cross multiply
    1,523,556,445.25x = 2,100,382,555.35 × 1,021,854,883.61
  4. Step 4: Simplify right side
    1,523,556,445.25x = 2,146,286,171,633,648,640
  5. Step 5: Solve for x
    x = 2,146,286,171,633,648,640/1,523,556,445.25
  6. Step 6: Final answer
    x = 1,408,734,266.67

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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.