Finding the Fourth Proportional to 518,342,147.08, 777,513,220.62 and 518,342,147.08
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Solution
The fourth proportional to 518,342,147.08, 777,513,220.62 and 518,342,147.08 is: 777,513,220.62
Step by Step Solution
- Step 1: Write the proportion equation
518,342,147.08 : 777,513,220.62 = 518,342,147.08 : x - Step 2: Convert to fraction form
518,342,147.08/777,513,220.62 = 518,342,147.08/x - Step 3: Cross multiply
518,342,147.08x = 777,513,220.62 × 518,342,147.08 - Step 4: Simplify right side
518,342,147.08x = 403,017,872,152,777,216 - Step 5: Solve for x
x = 403,017,872,152,777,216/518,342,147.08 - Step 6: Final answer
x = 777,513,220.62
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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.