Home / 276,045,278.40-414,918,223.20-260,739,777.60

Finding the Fourth Proportional to 276,045,278.40, 414,918,223.20 and 260,739,777.60

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Solution

The fourth proportional to 276,045,278.40, 414,918,223.20 and 260,739,777.60 is: 391,912,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,045,278.40 : 414,918,223.20 = 260,739,777.60 : x
  2. Step 2: Convert to fraction form
    276,045,278.40/414,918,223.20 = 260,739,777.60/x
  3. Step 3: Cross multiply
    276,045,278.40x = 414,918,223.20 × 260,739,777.60
  4. Step 4: Simplify right side
    276,045,278.40x = 108,185,685,239,355,152
  5. Step 5: Solve for x
    x = 108,185,685,239,355,152/276,045,278.40
  6. Step 6: Final answer
    x = 391,912,826.28

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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.