Finding the Fourth Proportional to 372,562,120.76, 514,114,490.07 and 213,758,580.83
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Solution
The fourth proportional to 372,562,120.76, 514,114,490.07 and 213,758,580.83 is: 294,974,656.99
Step by Step Solution
- Step 1: Write the proportion equation
372,562,120.76 : 514,114,490.07 = 213,758,580.83 : x - Step 2: Convert to fraction form
372,562,120.76/514,114,490.07 = 213,758,580.83/x - Step 3: Cross multiply
372,562,120.76x = 514,114,490.07 × 213,758,580.83 - Step 4: Simplify right side
372,562,120.76x = 109,896,383,778,931,744 - Step 5: Solve for x
x = 109,896,383,778,931,744/372,562,120.76 - Step 6: Final answer
x = 294,974,656.99
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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.