Finding the Fourth Proportional to 384,331,425.90, 576,497,138.85 and 366,475,008.30
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Solution
The fourth proportional to 384,331,425.90, 576,497,138.85 and 366,475,008.30 is: 549,712,512.45
Step by Step Solution
- Step 1: Write the proportion equation
384,331,425.90 : 576,497,138.85 = 366,475,008.30 : x - Step 2: Convert to fraction form
384,331,425.90/576,497,138.85 = 366,475,008.30/x - Step 3: Cross multiply
384,331,425.90x = 576,497,138.85 × 366,475,008.30 - Step 4: Simplify right side
384,331,425.90x = 211,271,793,744,980,032 - Step 5: Solve for x
x = 211,271,793,744,980,032/384,331,425.90 - Step 6: Final answer
x = 549,712,512.45
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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.