Finding the Fourth Proportional to 407,643,666.48, 610,860,837.66 and 299,409,211.44
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Solution
The fourth proportional to 407,643,666.48, 610,860,837.66 and 299,409,211.44 is: 448,669,700.38
Step by Step Solution
- Step 1: Write the proportion equation
407,643,666.48 : 610,860,837.66 = 299,409,211.44 : x - Step 2: Convert to fraction form
407,643,666.48/610,860,837.66 = 299,409,211.44/x - Step 3: Cross multiply
407,643,666.48x = 610,860,837.66 × 299,409,211.44 - Step 4: Simplify right side
407,643,666.48x = 182,897,361,703,358,432 - Step 5: Solve for x
x = 182,897,361,703,358,432/407,643,666.48 - Step 6: Final answer
x = 448,669,700.38
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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.