Home / 1,311,018,779.71-1,809,207,861.56-746,504,121.34

Finding the Fourth Proportional to 1,311,018,779.71, 1,809,207,861.56 and 746,504,121.34

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Solution

The fourth proportional to 1,311,018,779.71, 1,809,207,861.56 and 746,504,121.34 is: 1,030,176,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,018,779.71 : 1,809,207,861.56 = 746,504,121.34 : x
  2. Step 2: Convert to fraction form
    1,311,018,779.71/1,809,207,861.56 = 746,504,121.34/x
  3. Step 3: Cross multiply
    1,311,018,779.71x = 1,809,207,861.56 × 746,504,121.34
  4. Step 4: Simplify right side
    1,311,018,779.71x = 1,350,581,125,015,268,096
  5. Step 5: Solve for x
    x = 1,350,581,125,015,268,096/1,311,018,779.71
  6. Step 6: Final answer
    x = 1,030,176,795.27

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Double scale
Find fourth proportional to 1,311,018,780.71, 1,809,207,862.94 and 746,504,122.34
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1.5x scale

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.