Finding the Fourth Proportional to 20,995,253,815.60, 31,497,415,686.60 and 6,274,763,268.40
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Solution
The fourth proportional to 20,995,253,815.60, 31,497,415,686.60 and 6,274,763,268.40 is: 9,413,500,247.99
Step by Step Solution
- Step 1: Write the proportion equation
20,995,253,815.60 : 31,497,415,686.60 = 6,274,763,268.40 : x - Step 2: Convert to fraction form
20,995,253,815.60/31,497,415,686.60 = 6,274,763,268.40/x - Step 3: Cross multiply
20,995,253,815.60x = 31,497,415,686.60 × 6,274,763,268.40 - Step 4: Simplify right side
20,995,253,815.60x = 197,638,826,999,803,609,088 - Step 5: Solve for x
x = 197,638,826,999,803,609,088/20,995,253,815.60 - Step 6: Final answer
x = 9,413,500,247.99
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1.5x scale
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.