Home / 276,045,279.90-414,918,225.45-260,739,779.10

Finding the Fourth Proportional to 276,045,279.90, 414,918,225.45 and 260,739,779.10

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Solution

The fourth proportional to 276,045,279.90, 414,918,225.45 and 260,739,779.10 is: 391,912,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,045,279.90 : 414,918,225.45 = 260,739,779.10 : x
  2. Step 2: Convert to fraction form
    276,045,279.90/414,918,225.45 = 260,739,779.10/x
  3. Step 3: Cross multiply
    276,045,279.90x = 414,918,225.45 × 260,739,779.10
  4. Step 4: Simplify right side
    276,045,279.90x = 108,185,686,448,396,992
  5. Step 5: Solve for x
    x = 108,185,686,448,396,992/276,045,279.90
  6. Step 6: Final answer
    x = 391,912,828.53

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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.