Finding the Fourth Proportional to 374,246,513.48, 516,252,864.60 and 217,596,307.12
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Solution
The fourth proportional to 374,246,513.48, 516,252,864.60 and 217,596,307.12 is: 300,162,360.45
Step by Step Solution
- Step 1: Write the proportion equation
374,246,513.48 : 516,252,864.60 = 217,596,307.12 : x - Step 2: Convert to fraction form
374,246,513.48/516,252,864.60 = 217,596,307.12/x - Step 3: Cross multiply
374,246,513.48x = 516,252,864.60 × 217,596,307.12 - Step 4: Simplify right side
374,246,513.48x = 112,334,716,877,081,376 - Step 5: Solve for x
x = 112,334,716,877,081,376/374,246,513.48 - Step 6: Final answer
x = 300,162,360.45
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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.