Finding the Fourth Proportional to 5,281,567,148.70, 7,922,350,723.05 and 2,832,687,020.70
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Solution
The fourth proportional to 5,281,567,148.70, 7,922,350,723.05 and 2,832,687,020.70 is: 4,249,030,531.05
Step by Step Solution
- Step 1: Write the proportion equation
5,281,567,148.70 : 7,922,350,723.05 = 2,832,687,020.70 : x - Step 2: Convert to fraction form
5,281,567,148.70/7,922,350,723.05 = 2,832,687,020.70/x - Step 3: Cross multiply
5,281,567,148.70x = 7,922,350,723.05 × 2,832,687,020.70 - Step 4: Simplify right side
5,281,567,148.70x = 22,441,540,066,616,995,840 - Step 5: Solve for x
x = 22,441,540,066,616,995,840/5,281,567,148.70 - Step 6: Final answer
x = 4,249,030,531.05
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Double scale
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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.