Home / 1,438,626,596.50-1,985,283,747.31-803,556,125.11

Finding the Fourth Proportional to 1,438,626,596.50, 1,985,283,747.31 and 803,556,125.11

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Solution

The fourth proportional to 1,438,626,596.50, 1,985,283,747.31 and 803,556,125.11 is: 1,108,895,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,626,596.50 : 1,985,283,747.31 = 803,556,125.11 : x
  2. Step 2: Convert to fraction form
    1,438,626,596.50/1,985,283,747.31 = 803,556,125.11/x
  3. Step 3: Cross multiply
    1,438,626,596.50x = 1,985,283,747.31 × 803,556,125.11
  4. Step 4: Simplify right side
    1,438,626,596.50x = 1,595,286,915,236,526,848
  5. Step 5: Solve for x
    x = 1,595,286,915,236,526,848/1,438,626,596.50
  6. Step 6: Final answer
    x = 1,108,895,747.59

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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.