Finding the Fourth Proportional to 528,965,743.68, 793,456,531.20 and 201,459,344.64
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Solution
The fourth proportional to 528,965,743.68, 793,456,531.20 and 201,459,344.64 is: 302,192,031.69
Step by Step Solution
- Step 1: Write the proportion equation
528,965,743.68 : 793,456,531.20 = 201,459,344.64 : x - Step 2: Convert to fraction form
528,965,743.68/793,456,531.20 = 201,459,344.64/x - Step 3: Cross multiply
528,965,743.68x = 793,456,531.20 × 201,459,344.64 - Step 4: Simplify right side
528,965,743.68x = 159,849,232,775,879,712 - Step 5: Solve for x
x = 159,849,232,775,879,712/528,965,743.68 - Step 6: Final answer
x = 302,192,031.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.