Finding the Fourth Proportional to 8,107,610,756.72, 11,188,963,884.70 and 4,539,286,444.56
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Solution
The fourth proportional to 8,107,610,756.72, 11,188,963,884.70 and 4,539,286,444.56 is: 6,264,473,420.66
Step by Step Solution
- Step 1: Write the proportion equation
8,107,610,756.72 : 11,188,963,884.70 = 4,539,286,444.56 : x - Step 2: Convert to fraction form
8,107,610,756.72/11,188,963,884.70 = 4,539,286,444.56/x - Step 3: Cross multiply
8,107,610,756.72x = 11,188,963,884.70 × 4,539,286,444.56 - Step 4: Simplify right side
8,107,610,756.72x = 50,789,912,090,490,118,144 - Step 5: Solve for x
x = 50,789,912,090,490,118,144/8,107,610,756.72 - Step 6: Final answer
x = 6,264,473,420.66
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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.