Finding the Fourth Proportional to 1,656,289,310.40, 2,484,433,965.60 and 491,937,508.80
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Solution
The fourth proportional to 1,656,289,310.40, 2,484,433,965.60 and 491,937,508.80 is: 737,906,263.20
Step by Step Solution
- Step 1: Write the proportion equation
1,656,289,310.40 : 2,484,433,965.60 = 491,937,508.80 : x - Step 2: Convert to fraction form
1,656,289,310.40/2,484,433,965.60 = 491,937,508.80/x - Step 3: Cross multiply
1,656,289,310.40x = 2,484,433,965.60 × 491,937,508.80 - Step 4: Simplify right side
1,656,289,310.40x = 1,222,186,255,815,368,960 - Step 5: Solve for x
x = 1,222,186,255,815,368,960/1,656,289,310.40 - Step 6: Final answer
x = 737,906,263.20
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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.