Finding the Fourth Proportional to 596,486,837.08, 822,727,813.20 and 398,148,331.96
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Solution
The fourth proportional to 596,486,837.08, 822,727,813.20 and 398,148,331.96 is: 549,161,668.15
Step by Step Solution
- Step 1: Write the proportion equation
596,486,837.08 : 822,727,813.20 = 398,148,331.96 : x - Step 2: Convert to fraction form
596,486,837.08/822,727,813.20 = 398,148,331.96/x - Step 3: Cross multiply
596,486,837.08x = 822,727,813.20 × 398,148,331.96 - Step 4: Simplify right side
596,486,837.08x = 327,567,706,482,678,464 - Step 5: Solve for x
x = 327,567,706,482,678,464/596,486,837.08 - Step 6: Final answer
x = 549,161,668.15
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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.