Finding the Fourth Proportional to 357,696,000.20, 536,544,000.30 and 343,587,225.80
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Solution
The fourth proportional to 357,696,000.20, 536,544,000.30 and 343,587,225.80 is: 515,380,838.70
Step by Step Solution
- Step 1: Write the proportion equation
357,696,000.20 : 536,544,000.30 = 343,587,225.80 : x - Step 2: Convert to fraction form
357,696,000.20/536,544,000.30 = 343,587,225.80/x - Step 3: Cross multiply
357,696,000.20x = 536,544,000.30 × 343,587,225.80 - Step 4: Simplify right side
357,696,000.20x = 184,349,664,582,711,392 - Step 5: Solve for x
x = 184,349,664,582,711,392/357,696,000.20 - Step 6: Final answer
x = 515,380,838.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.