Finding the Fourth Proportional to 335,916,439.11, 463,763,536.95 and 298,643,769.41
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Solution
The fourth proportional to 335,916,439.11, 463,763,536.95 and 298,643,769.41 is: 412,305,188.63
Step by Step Solution
- Step 1: Write the proportion equation
335,916,439.11 : 463,763,536.95 = 298,643,769.41 : x - Step 2: Convert to fraction form
335,916,439.11/463,763,536.95 = 298,643,769.41/x - Step 3: Cross multiply
335,916,439.11x = 463,763,536.95 × 298,643,769.41 - Step 4: Simplify right side
335,916,439.11x = 138,500,090,789,661,824 - Step 5: Solve for x
x = 138,500,090,789,661,824/335,916,439.11 - Step 6: Final answer
x = 412,305,188.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.