Finding the Fourth Proportional to 478,841,770.08, 718,262,655.36 and 115,336,126.08
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Solution
The fourth proportional to 478,841,770.08, 718,262,655.36 and 115,336,126.08 is: 173,004,189.18
Step by Step Solution
- Step 1: Write the proportion equation
478,841,770.08 : 718,262,655.36 = 115,336,126.08 : x - Step 2: Convert to fraction form
478,841,770.08/718,262,655.36 = 115,336,126.08/x - Step 3: Cross multiply
478,841,770.08x = 718,262,655.36 × 115,336,126.08 - Step 4: Simplify right side
478,841,770.08x = 82,841,632,177,156,544 - Step 5: Solve for x
x = 82,841,632,177,156,544/478,841,770.08 - Step 6: Final answer
x = 173,004,189.18
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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.