Finding the Fourth Proportional to 329,584,881.58, 455,204,620.35 and 217,057,397.48
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Solution
The fourth proportional to 329,584,881.58, 455,204,620.35 and 217,057,397.48 is: 299,787,811.08
Step by Step Solution
- Step 1: Write the proportion equation
329,584,881.58 : 455,204,620.35 = 217,057,397.48 : x - Step 2: Convert to fraction form
329,584,881.58/455,204,620.35 = 217,057,397.48/x - Step 3: Cross multiply
329,584,881.58x = 455,204,620.35 × 217,057,397.48 - Step 4: Simplify right side
329,584,881.58x = 98,805,530,214,042,448 - Step 5: Solve for x
x = 98,805,530,214,042,448/329,584,881.58 - Step 6: Final answer
x = 299,787,811.08
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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.