Finding the Fourth Proportional to 4,887,117,397.35, 6,747,596,146.93 and 4,574,885,181.03
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Solution
The fourth proportional to 4,887,117,397.35, 6,747,596,146.93 and 4,574,885,181.03 is: 6,316,500,118.64
Step by Step Solution
- Step 1: Write the proportion equation
4,887,117,397.35 : 6,747,596,146.93 = 4,574,885,181.03 : x - Step 2: Convert to fraction form
4,887,117,397.35/6,747,596,146.93 = 4,574,885,181.03/x - Step 3: Cross multiply
4,887,117,397.35x = 6,747,596,146.93 × 4,574,885,181.03 - Step 4: Simplify right side
4,887,117,397.35x = 30,869,477,620,187,140,096 - Step 5: Solve for x
x = 30,869,477,620,187,140,096/4,887,117,397.35 - Step 6: Final answer
x = 6,316,500,118.64
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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.