Finding the Fourth Proportional to 426,817,316.52, 588,827,536.65 and 285,733,991.79
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Solution
The fourth proportional to 426,817,316.52, 588,827,536.65 and 285,733,991.79 is: 394,192,166.09
Step by Step Solution
- Step 1: Write the proportion equation
426,817,316.52 : 588,827,536.65 = 285,733,991.79 : x - Step 2: Convert to fraction form
426,817,316.52/588,827,536.65 = 285,733,991.79/x - Step 3: Cross multiply
426,817,316.52x = 588,827,536.65 × 285,733,991.79 - Step 4: Simplify right side
426,817,316.52x = 168,248,042,522,877,024 - Step 5: Solve for x
x = 168,248,042,522,877,024/426,817,316.52 - Step 6: Final answer
x = 394,192,166.09
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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.