Finding the Fourth Proportional to 353,887,268.94, 488,573,920.26 and 314,620,588.13
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Solution
The fourth proportional to 353,887,268.94, 488,573,920.26 and 314,620,588.13 is: 434,362,656.21
Step by Step Solution
- Step 1: Write the proportion equation
353,887,268.94 : 488,573,920.26 = 314,620,588.13 : x - Step 2: Convert to fraction form
353,887,268.94/488,573,920.26 = 314,620,588.13/x - Step 3: Cross multiply
353,887,268.94x = 488,573,920.26 × 314,620,588.13 - Step 4: Simplify right side
353,887,268.94x = 153,715,414,134,738,048 - Step 5: Solve for x
x = 153,715,414,134,738,048/353,887,268.94 - Step 6: Final answer
x = 434,362,656.21
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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.