Finding the Fourth Proportional to 493,203,513.30, 680,455,037.60 and 284,355,102.66
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Solution
The fourth proportional to 493,203,513.30, 680,455,037.60 and 284,355,102.66 is: 392,314,443.95
Step by Step Solution
- Step 1: Write the proportion equation
493,203,513.30 : 680,455,037.60 = 284,355,102.66 : x - Step 2: Convert to fraction form
493,203,513.30/680,455,037.60 = 284,355,102.66/x - Step 3: Cross multiply
493,203,513.30x = 680,455,037.60 × 284,355,102.66 - Step 4: Simplify right side
493,203,513.30x = 193,490,862,072,262,176 - Step 5: Solve for x
x = 193,490,862,072,262,176/493,203,513.30 - Step 6: Final answer
x = 392,314,443.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.