Finding the Fourth Proportional to 359,348,643.58, 495,902,622.51 and 194,336,213.08
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Solution
The fourth proportional to 359,348,643.58, 495,902,622.51 and 194,336,213.08 is: 268,184,782.21
Step by Step Solution
- Step 1: Write the proportion equation
359,348,643.58 : 495,902,622.51 = 194,336,213.08 : x - Step 2: Convert to fraction form
359,348,643.58/495,902,622.51 = 194,336,213.08/x - Step 3: Cross multiply
359,348,643.58x = 495,902,622.51 × 194,336,213.08 - Step 4: Simplify right side
359,348,643.58x = 96,371,837,715,034,176 - Step 5: Solve for x
x = 96,371,837,715,034,176/359,348,643.58 - Step 6: Final answer
x = 268,184,782.21
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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.