Finding the Fourth Proportional to 487,986,797.16, 673,403,390.10 and 264,963,658.68
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Solution
The fourth proportional to 487,986,797.16, 673,403,390.10 and 264,963,658.68 is: 365,639,863.72
Step by Step Solution
- Step 1: Write the proportion equation
487,986,797.16 : 673,403,390.10 = 264,963,658.68 : x - Step 2: Convert to fraction form
487,986,797.16/673,403,390.10 = 264,963,658.68/x - Step 3: Cross multiply
487,986,797.16x = 673,403,390.10 × 264,963,658.68 - Step 4: Simplify right side
487,986,797.16x = 178,427,426,008,411,296 - Step 5: Solve for x
x = 178,427,426,008,411,296/487,986,797.16 - Step 6: Final answer
x = 365,639,863.72
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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.