Finding the Fourth Proportional to 383,624,409.04, 529,400,688.72 and 214,076,869.08
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Solution
The fourth proportional to 383,624,409.04, 529,400,688.72 and 214,076,869.08 is: 295,425,523.66
Step by Step Solution
- Step 1: Write the proportion equation
383,624,409.04 : 529,400,688.72 = 214,076,869.08 : x - Step 2: Convert to fraction form
383,624,409.04/529,400,688.72 = 214,076,869.08/x - Step 3: Cross multiply
383,624,409.04x = 529,400,688.72 × 214,076,869.08 - Step 4: Simplify right side
383,624,409.04x = 113,332,441,929,973,280 - Step 5: Solve for x
x = 113,332,441,929,973,280/383,624,409.04 - Step 6: Final answer
x = 295,425,523.66
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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.