Finding the Fourth Proportional to 1,259,296,341.10, 1,888,876,396.14 and 385,900,244.80
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Solution
The fourth proportional to 1,259,296,341.10, 1,888,876,396.14 and 385,900,244.80 is: 578,829,493.80
Step by Step Solution
- Step 1: Write the proportion equation
1,259,296,341.10 : 1,888,876,396.14 = 385,900,244.80 : x - Step 2: Convert to fraction form
1,259,296,341.10/1,888,876,396.14 = 385,900,244.80/x - Step 3: Cross multiply
1,259,296,341.10x = 1,888,876,396.14 × 385,900,244.80 - Step 4: Simplify right side
1,259,296,341.10x = 728,917,863,667,367,808 - Step 5: Solve for x
x = 728,917,863,667,367,808/1,259,296,341.10 - Step 6: Final answer
x = 578,829,493.80
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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.