Finding the Fourth Proportional to 5,387,316,451.20, 8,080,974,676.80 and 3,549,144,700.80
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Solution
The fourth proportional to 5,387,316,451.20, 8,080,974,676.80 and 3,549,144,700.80 is: 5,323,717,051.20
Step by Step Solution
- Step 1: Write the proportion equation
5,387,316,451.20 : 8,080,974,676.80 = 3,549,144,700.80 : x - Step 2: Convert to fraction form
5,387,316,451.20/8,080,974,676.80 = 3,549,144,700.80/x - Step 3: Cross multiply
5,387,316,451.20x = 8,080,974,676.80 × 3,549,144,700.80 - Step 4: Simplify right side
5,387,316,451.20x = 28,680,548,451,463,716,864 - Step 5: Solve for x
x = 28,680,548,451,463,716,864/5,387,316,451.20 - Step 6: Final answer
x = 5,323,717,051.20
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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.