Finding the Fourth Proportional to 1,111,526,174.46, 1,667,125,259.40 and 324,368,474.94
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Solution
The fourth proportional to 1,111,526,174.46, 1,667,125,259.40 and 324,368,474.94 is: 486,504,852.83
Step by Step Solution
- Step 1: Write the proportion equation
1,111,526,174.46 : 1,667,125,259.40 = 324,368,474.94 : x - Step 2: Convert to fraction form
1,111,526,174.46/1,667,125,259.40 = 324,368,474.94/x - Step 3: Cross multiply
1,111,526,174.46x = 1,667,125,259.40 × 324,368,474.94 - Step 4: Simplify right side
1,111,526,174.46x = 540,762,877,925,529,920 - Step 5: Solve for x
x = 540,762,877,925,529,920/1,111,526,174.46 - Step 6: Final answer
x = 486,504,852.83
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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.