Finding the Fourth Proportional to 367,432,972.20, 550,393,631.10 and 252,547,237.80
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Solution
The fourth proportional to 367,432,972.20, 550,393,631.10 and 252,547,237.80 is: 378,301,354.95
Step by Step Solution
- Step 1: Write the proportion equation
367,432,972.20 : 550,393,631.10 = 252,547,237.80 : x - Step 2: Convert to fraction form
367,432,972.20/550,393,631.10 = 252,547,237.80/x - Step 3: Cross multiply
367,432,972.20x = 550,393,631.10 × 252,547,237.80 - Step 4: Simplify right side
367,432,972.20x = 139,000,391,237,017,184 - Step 5: Solve for x
x = 139,000,391,237,017,184/367,432,972.20 - Step 6: Final answer
x = 378,301,354.95
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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.