Finding the Fourth Proportional to 328,771,259.67, 453,532,323.38 and 203,283,342.93
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Solution
The fourth proportional to 328,771,259.67, 453,532,323.38 and 203,283,342.93 is: 280,424,654.26
Step by Step Solution
- Step 1: Write the proportion equation
328,771,259.67 : 453,532,323.38 = 203,283,342.93 : x - Step 2: Convert to fraction form
328,771,259.67/453,532,323.38 = 203,283,342.93/x - Step 3: Cross multiply
328,771,259.67x = 453,532,323.38 × 203,283,342.93 - Step 4: Simplify right side
328,771,259.67x = 92,195,566,822,479,776 - Step 5: Solve for x
x = 92,195,566,822,479,776/328,771,259.67 - Step 6: Final answer
x = 280,424,654.26
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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.