Finding the Fourth Proportional to 329,865,441.68, 455,293,590.72 and 188,818,425.08
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Solution
The fourth proportional to 329,865,441.68, 455,293,590.72 and 188,818,425.08 is: 260,614,808.00
Step by Step Solution
- Step 1: Write the proportion equation
329,865,441.68 : 455,293,590.72 = 188,818,425.08 : x - Step 2: Convert to fraction form
329,865,441.68/455,293,590.72 = 188,818,425.08/x - Step 3: Cross multiply
329,865,441.68x = 455,293,590.72 × 188,818,425.08 - Step 4: Simplify right side
329,865,441.68x = 85,967,818,748,768,512 - Step 5: Solve for x
x = 85,967,818,748,768,512/329,865,441.68 - Step 6: Final answer
x = 260,614,808.00
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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.