Finding the Fourth Proportional to 337,778,509.44, 465,893,974.08 and 309,990,967.68
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Solution
The fourth proportional to 337,778,509.44, 465,893,974.08 and 309,990,967.68 is: 427,566,940.54
Step by Step Solution
- Step 1: Write the proportion equation
337,778,509.44 : 465,893,974.08 = 309,990,967.68 : x - Step 2: Convert to fraction form
337,778,509.44/465,893,974.08 = 309,990,967.68/x - Step 3: Cross multiply
337,778,509.44x = 465,893,974.08 × 309,990,967.68 - Step 4: Simplify right side
337,778,509.44x = 144,422,923,861,340,032 - Step 5: Solve for x
x = 144,422,923,861,340,032/337,778,509.44 - Step 6: Final answer
x = 427,566,940.54
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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.