Finding the Fourth Proportional to 653,553,419.10, 980,329,529.68 and 204,860,035.08
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Solution
The fourth proportional to 653,553,419.10, 980,329,529.68 and 204,860,035.08 is: 307,289,864.87
Step by Step Solution
- Step 1: Write the proportion equation
653,553,419.10 : 980,329,529.68 = 204,860,035.08 : x - Step 2: Convert to fraction form
653,553,419.10/980,329,529.68 = 204,860,035.08/x - Step 3: Cross multiply
653,553,419.10x = 980,329,529.68 × 204,860,035.08 - Step 4: Simplify right side
653,553,419.10x = 200,830,341,840,204,704 - Step 5: Solve for x
x = 200,830,341,840,204,704/653,553,419.10 - Step 6: Final answer
x = 307,289,864.87
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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.