Finding the Fourth Proportional to 651,672,023.10, 977,508,034.65 and 242,643,536.70
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Solution
The fourth proportional to 651,672,023.10, 977,508,034.65 and 242,643,536.70 is: 363,965,305.05
Step by Step Solution
- Step 1: Write the proportion equation
651,672,023.10 : 977,508,034.65 = 242,643,536.70 : x - Step 2: Convert to fraction form
651,672,023.10/977,508,034.65 = 242,643,536.70/x - Step 3: Cross multiply
651,672,023.10x = 977,508,034.65 × 242,643,536.70 - Step 4: Simplify right side
651,672,023.10x = 237,186,006,680,142,144 - Step 5: Solve for x
x = 237,186,006,680,142,144/651,672,023.10 - Step 6: Final answer
x = 363,965,305.05
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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.