Finding the Fourth Proportional to 445,855,887.84, 615,207,244.05 and 257,701,734.66
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Solution
The fourth proportional to 445,855,887.84, 615,207,244.05 and 257,701,734.66 is: 355,585,691.01
Step by Step Solution
- Step 1: Write the proportion equation
445,855,887.84 : 615,207,244.05 = 257,701,734.66 : x - Step 2: Convert to fraction form
445,855,887.84/615,207,244.05 = 257,701,734.66/x - Step 3: Cross multiply
445,855,887.84x = 615,207,244.05 × 257,701,734.66 - Step 4: Simplify right side
445,855,887.84x = 158,539,973,967,082,944 - Step 5: Solve for x
x = 158,539,973,967,082,944/445,855,887.84 - Step 6: Final answer
x = 355,585,691.01
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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.