Finding the Fourth Proportional to 3,148,884,245.68, 4,345,434,423.84 and 1,719,956,264.48
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Solution
The fourth proportional to 3,148,884,245.68, 4,345,434,423.84 and 1,719,956,264.48 is: 2,373,525,533.50
Step by Step Solution
- Step 1: Write the proportion equation
3,148,884,245.68 : 4,345,434,423.84 = 1,719,956,264.48 : x - Step 2: Convert to fraction form
3,148,884,245.68/4,345,434,423.84 = 1,719,956,264.48/x - Step 3: Cross multiply
3,148,884,245.68x = 4,345,434,423.84 × 1,719,956,264.48 - Step 4: Simplify right side
3,148,884,245.68x = 7,473,957,159,170,648,064 - Step 5: Solve for x
x = 7,473,957,159,170,648,064/3,148,884,245.68 - Step 6: Final answer
x = 2,373,525,533.50
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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.