Finding the Fourth Proportional to 4,784,943,651.88, 6,602,946,739.86 and 2,670,233,624.68
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Solution
The fourth proportional to 4,784,943,651.88, 6,602,946,739.86 and 2,670,233,624.68 is: 3,684,768,659.67
Step by Step Solution
- Step 1: Write the proportion equation
4,784,943,651.88 : 6,602,946,739.86 = 2,670,233,624.68 : x - Step 2: Convert to fraction form
4,784,943,651.88/6,602,946,739.86 = 2,670,233,624.68/x - Step 3: Cross multiply
4,784,943,651.88x = 6,602,946,739.86 × 2,670,233,624.68 - Step 4: Simplify right side
4,784,943,651.88x = 17,631,410,406,745,354,240 - Step 5: Solve for x
x = 17,631,410,406,745,354,240/4,784,943,651.88 - Step 6: Final answer
x = 3,684,768,659.67
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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.