Home / 1,405,332,944.60-1,939,380,672.94-770,248,355.18

Finding the Fourth Proportional to 1,405,332,944.60, 1,939,380,672.94 and 770,248,355.18

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Solution

The fourth proportional to 1,405,332,944.60, 1,939,380,672.94 and 770,248,355.18 is: 1,062,954,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,332,944.60 : 1,939,380,672.94 = 770,248,355.18 : x
  2. Step 2: Convert to fraction form
    1,405,332,944.60/1,939,380,672.94 = 770,248,355.18/x
  3. Step 3: Cross multiply
    1,405,332,944.60x = 1,939,380,672.94 × 770,248,355.18
  4. Step 4: Simplify right side
    1,405,332,944.60x = 1,493,804,773,388,293,888
  5. Step 5: Solve for x
    x = 1,493,804,773,388,293,888/1,405,332,944.60
  6. Step 6: Final answer
    x = 1,062,954,354.79

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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.