Home / 859,737,515.40-1,289,606,273.10-845,388,608.40

Finding the Fourth Proportional to 859,737,515.40, 1,289,606,273.10 and 845,388,608.40

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Solution

The fourth proportional to 859,737,515.40, 1,289,606,273.10 and 845,388,608.40 is: 1,268,082,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,737,515.40 : 1,289,606,273.10 = 845,388,608.40 : x
  2. Step 2: Convert to fraction form
    859,737,515.40/1,289,606,273.10 = 845,388,608.40/x
  3. Step 3: Cross multiply
    859,737,515.40x = 1,289,606,273.10 × 845,388,608.40
  4. Step 4: Simplify right side
    859,737,515.40x = 1,090,218,452,599,919,232
  5. Step 5: Solve for x
    x = 1,090,218,452,599,919,232/859,737,515.40
  6. Step 6: Final answer
    x = 1,268,082,912.60

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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.