Finding the Fourth Proportional to 1,858,244,838.09, 2,564,445,536.98 and 1,011,431,230.63
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Solution
The fourth proportional to 1,858,244,838.09, 2,564,445,536.98 and 1,011,431,230.63 is: 1,395,811,925.42
Step by Step Solution
- Step 1: Write the proportion equation
1,858,244,838.09 : 2,564,445,536.98 = 1,011,431,230.63 : x - Step 2: Convert to fraction form
1,858,244,838.09/2,564,445,536.98 = 1,011,431,230.63/x - Step 3: Cross multiply
1,858,244,838.09x = 2,564,445,536.98 × 1,011,431,230.63 - Step 4: Simplify right side
1,858,244,838.09x = 2,593,760,305,351,292,416 - Step 5: Solve for x
x = 2,593,760,305,351,292,416/1,858,244,838.09 - Step 6: Final answer
x = 1,395,811,925.42
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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.