Finding the Fourth Proportional to 734,247,269.36, 1,101,047,709.14 and 389,120,036.12
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Solution
The fourth proportional to 734,247,269.36, 1,101,047,709.14 and 389,120,036.12 is: 583,508,774.54
Step by Step Solution
- Step 1: Write the proportion equation
734,247,269.36 : 1,101,047,709.14 = 389,120,036.12 : x - Step 2: Convert to fraction form
734,247,269.36/1,101,047,709.14 = 389,120,036.12/x - Step 3: Cross multiply
734,247,269.36x = 1,101,047,709.14 × 389,120,036.12 - Step 4: Simplify right side
734,247,269.36x = 428,439,724,350,400,128 - Step 5: Solve for x
x = 428,439,724,350,400,128/734,247,269.36 - Step 6: Final answer
x = 583,508,774.54
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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.