Finding the Fourth Proportional to 529,551,310.82, 730,787,420.35 and 291,423,891.94
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Solution
The fourth proportional to 529,551,310.82, 730,787,420.35 and 291,423,891.94 is: 402,168,609.29
Step by Step Solution
- Step 1: Write the proportion equation
529,551,310.82 : 730,787,420.35 = 291,423,891.94 : x - Step 2: Convert to fraction form
529,551,310.82/730,787,420.35 = 291,423,891.94/x - Step 3: Cross multiply
529,551,310.82x = 730,787,420.35 × 291,423,891.94 - Step 4: Simplify right side
529,551,310.82x = 212,968,914,219,189,760 - Step 5: Solve for x
x = 212,968,914,219,189,760/529,551,310.82 - Step 6: Final answer
x = 402,168,609.29
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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.