Finding the Fourth Proportional to 1,146,919,566.96, 1,720,389,306.74 and 370,565,310.70
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Solution
The fourth proportional to 1,146,919,566.96, 1,720,389,306.74 and 370,565,310.70 is: 555,851,182.89
Step by Step Solution
- Step 1: Write the proportion equation
1,146,919,566.96 : 1,720,389,306.74 = 370,565,310.70 : x - Step 2: Convert to fraction form
1,146,919,566.96/1,720,389,306.74 = 370,565,310.70/x - Step 3: Cross multiply
1,146,919,566.96x = 1,720,389,306.74 × 370,565,310.70 - Step 4: Simplify right side
1,146,919,566.96x = 637,516,597,977,065,728 - Step 5: Solve for x
x = 637,516,597,977,065,728/1,146,919,566.96 - Step 6: Final answer
x = 555,851,182.89
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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.