Finding the Fourth Proportional to 5,167,869,701.26, 7,130,719,466.30 and 2,909,458,027.66
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Solution
The fourth proportional to 5,167,869,701.26, 7,130,719,466.30 and 2,909,458,027.66 is: 4,014,522,461.58
Step by Step Solution
- Step 1: Write the proportion equation
5,167,869,701.26 : 7,130,719,466.30 = 2,909,458,027.66 : x - Step 2: Convert to fraction form
5,167,869,701.26/7,130,719,466.30 = 2,909,458,027.66/x - Step 3: Cross multiply
5,167,869,701.26x = 7,130,719,466.30 × 2,909,458,027.66 - Step 4: Simplify right side
5,167,869,701.26x = 20,746,528,994,217,963,520 - Step 5: Solve for x
x = 20,746,528,994,217,963,520/5,167,869,701.26 - Step 6: Final answer
x = 4,014,522,461.58
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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.