Finding the Fourth Proportional to 383,521,796.05, 529,259,850.19 and 207,309,793.76
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Solution
The fourth proportional to 383,521,796.05, 529,259,850.19 and 207,309,793.76 is: 286,087,391.95
Step by Step Solution
- Step 1: Write the proportion equation
383,521,796.05 : 529,259,850.19 = 207,309,793.76 : x - Step 2: Convert to fraction form
383,521,796.05/529,259,850.19 = 207,309,793.76/x - Step 3: Cross multiply
383,521,796.05x = 529,259,850.19 × 207,309,793.76 - Step 4: Simplify right side
383,521,796.05x = 109,720,750,388,337,392 - Step 5: Solve for x
x = 109,720,750,388,337,392/383,521,796.05 - Step 6: Final answer
x = 286,087,391.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.