Finding the Fourth Proportional to 852,078,312.05, 1,278,117,468.08 and 334,242,201.65
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Solution
The fourth proportional to 852,078,312.05, 1,278,117,468.08 and 334,242,201.65 is: 501,363,302.48
Step by Step Solution
- Step 1: Write the proportion equation
852,078,312.05 : 1,278,117,468.08 = 334,242,201.65 : x - Step 2: Convert to fraction form
852,078,312.05/1,278,117,468.08 = 334,242,201.65/x - Step 3: Cross multiply
852,078,312.05x = 1,278,117,468.08 × 334,242,201.65 - Step 4: Simplify right side
852,078,312.05x = 427,200,796,496,711,552 - Step 5: Solve for x
x = 427,200,796,496,711,552/852,078,312.05 - Step 6: Final answer
x = 501,363,302.48
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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.