Finding the Fourth Proportional to 5,186,545,280.74, 7,775,458,333.26 and 4,201,529,097.52
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Solution
The fourth proportional to 5,186,545,280.74, 7,775,458,333.26 and 4,201,529,097.52 is: 6,298,762,020.85
Step by Step Solution
- Step 1: Write the proportion equation
5,186,545,280.74 : 7,775,458,333.26 = 4,201,529,097.52 : x - Step 2: Convert to fraction form
5,186,545,280.74/7,775,458,333.26 = 4,201,529,097.52/x - Step 3: Cross multiply
5,186,545,280.74x = 7,775,458,333.26 × 4,201,529,097.52 - Step 4: Simplify right side
5,186,545,280.74x = 32,668,814,433,746,251,776 - Step 5: Solve for x
x = 32,668,814,433,746,251,776/5,186,545,280.74 - Step 6: Final answer
x = 6,298,762,020.85
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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.