Finding the Fourth Proportional to 383,624,404.08, 529,400,681.88 and 214,076,864.12
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Solution
The fourth proportional to 383,624,404.08, 529,400,681.88 and 214,076,864.12 is: 295,425,516.83
Step by Step Solution
- Step 1: Write the proportion equation
383,624,404.08 : 529,400,681.88 = 214,076,864.12 : x - Step 2: Convert to fraction form
383,624,404.08/529,400,681.88 = 214,076,864.12/x - Step 3: Cross multiply
383,624,404.08x = 529,400,681.88 × 214,076,864.12 - Step 4: Simplify right side
383,624,404.08x = 113,332,437,841,190,208 - Step 5: Solve for x
x = 113,332,437,841,190,208/383,624,404.08 - Step 6: Final answer
x = 295,425,516.83
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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.