Finding the Fourth Proportional to 8,318,611,255.40, 12,474,893,574.30 and 2,798,049,386.60
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Solution
The fourth proportional to 8,318,611,255.40, 12,474,893,574.30 and 2,798,049,386.60 is: 4,196,057,159.28
Step by Step Solution
- Step 1: Write the proportion equation
8,318,611,255.40 : 12,474,893,574.30 = 2,798,049,386.60 : x - Step 2: Convert to fraction form
8,318,611,255.40/12,474,893,574.30 = 2,798,049,386.60/x - Step 3: Cross multiply
8,318,611,255.40x = 12,474,893,574.30 × 2,798,049,386.60 - Step 4: Simplify right side
8,318,611,255.40x = 34,905,368,313,470,394,368 - Step 5: Solve for x
x = 34,905,368,313,470,394,368/8,318,611,255.40 - Step 6: Final answer
x = 4,196,057,159.28
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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.