Finding the Fourth Proportional to 316,388,273.94, 436,767,218.94 and 210,717,541.95
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Solution
The fourth proportional to 316,388,273.94, 436,767,218.94 and 210,717,541.95 is: 290,891,042.31
Step by Step Solution
- Step 1: Write the proportion equation
316,388,273.94 : 436,767,218.94 = 210,717,541.95 : x - Step 2: Convert to fraction form
316,388,273.94/436,767,218.94 = 210,717,541.95/x - Step 3: Cross multiply
316,388,273.94x = 436,767,218.94 × 210,717,541.95 - Step 4: Simplify right side
316,388,273.94x = 92,034,514,779,801,376 - Step 5: Solve for x
x = 92,034,514,779,801,376/316,388,273.94 - Step 6: Final answer
x = 290,891,042.31
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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.