Finding the Fourth Proportional to 7,889,060,503.42, 10,887,245,716.48 and 4,368,795,319.42
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Solution
The fourth proportional to 7,889,060,503.42, 10,887,245,716.48 and 4,368,795,319.42 is: 6,029,127,055.99
Step by Step Solution
- Step 1: Write the proportion equation
7,889,060,503.42 : 10,887,245,716.48 = 4,368,795,319.42 : x - Step 2: Convert to fraction form
7,889,060,503.42/10,887,245,716.48 = 4,368,795,319.42/x - Step 3: Cross multiply
7,889,060,503.42x = 10,887,245,716.48 × 4,368,795,319.42 - Step 4: Simplify right side
7,889,060,503.42x = 47,564,148,127,533,268,992 - Step 5: Solve for x
x = 47,564,148,127,533,268,992/7,889,060,503.42 - Step 6: Final answer
x = 6,029,127,055.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.