Finding the Fourth Proportional to 669,526,659.23, 1,003,336,232.16 and 493,263,512.09
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Solution
The fourth proportional to 669,526,659.23, 1,003,336,232.16 and 493,263,512.09 is: 739,192,602.51
Step by Step Solution
- Step 1: Write the proportion equation
669,526,659.23 : 1,003,336,232.16 = 493,263,512.09 : x - Step 2: Convert to fraction form
669,526,659.23/1,003,336,232.16 = 493,263,512.09/x - Step 3: Cross multiply
669,526,659.23x = 1,003,336,232.16 × 493,263,512.09 - Step 4: Simplify right side
669,526,659.23x = 494,909,153,682,960,128 - Step 5: Solve for x
x = 494,909,153,682,960,128/669,526,659.23 - Step 6: Final answer
x = 739,192,602.51
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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.