Finding the Fourth Proportional to 377,125,224.15, 520,478,116.05 and 228,441,982.68
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Solution
The fourth proportional to 377,125,224.15, 520,478,116.05 and 228,441,982.68 is: 315,277,380.45
Step by Step Solution
- Step 1: Write the proportion equation
377,125,224.15 : 520,478,116.05 = 228,441,982.68 : x - Step 2: Convert to fraction form
377,125,224.15/520,478,116.05 = 228,441,982.68/x - Step 3: Cross multiply
377,125,224.15x = 520,478,116.05 × 228,441,982.68 - Step 4: Simplify right side
377,125,224.15x = 118,899,052,772,013,136 - Step 5: Solve for x
x = 118,899,052,772,013,136/377,125,224.15 - Step 6: Final answer
x = 315,277,380.45
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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.