Home / 25,907,078,982.88-38,862,990,019.92-7,274,449,281.76

Finding the Fourth Proportional to 25,907,078,982.88, 38,862,990,019.92 and 7,274,449,281.76

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Solution

The fourth proportional to 25,907,078,982.88, 38,862,990,019.92 and 7,274,449,281.76 is: 10,912,339,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907,078,982.88 : 38,862,990,019.92 = 7,274,449,281.76 : x
  2. Step 2: Convert to fraction form
    25,907,078,982.88/38,862,990,019.92 = 7,274,449,281.76/x
  3. Step 3: Cross multiply
    25,907,078,982.88x = 38,862,990,019.92 × 7,274,449,281.76
  4. Step 4: Simplify right side
    25,907,078,982.88x = 282,706,849,837,453,082,624
  5. Step 5: Solve for x
    x = 282,706,849,837,453,082,624/25,907,078,982.88
  6. Step 6: Final answer
    x = 10,912,339,828.98

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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.