Finding the Fourth Proportional to 370,157,630.71, 551,927,141.63 and 359,987,842.99
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Solution
The fourth proportional to 370,157,630.71, 551,927,141.63 and 359,987,842.99 is: 536,763,380.57
Step by Step Solution
- Step 1: Write the proportion equation
370,157,630.71 : 551,927,141.63 = 359,987,842.99 : x - Step 2: Convert to fraction form
370,157,630.71/551,927,141.63 = 359,987,842.99/x - Step 3: Cross multiply
370,157,630.71x = 551,927,141.63 × 359,987,842.99 - Step 4: Simplify right side
370,157,630.71x = 198,687,061,203,019,936 - Step 5: Solve for x
x = 198,687,061,203,019,936/370,157,630.71 - Step 6: Final answer
x = 536,763,380.57
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.