Finding the Fourth Proportional to 1,672,986,175.04, 2,508,946,855.18 and 552,301,168.95
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Solution
The fourth proportional to 1,672,986,175.04, 2,508,946,855.18 and 552,301,168.95 is: 828,275,990.33
Step by Step Solution
- Step 1: Write the proportion equation
1,672,986,175.04 : 2,508,946,855.18 = 552,301,168.95 : x - Step 2: Convert to fraction form
1,672,986,175.04/2,508,946,855.18 = 552,301,168.95/x - Step 3: Cross multiply
1,672,986,175.04x = 2,508,946,855.18 × 552,301,168.95 - Step 4: Simplify right side
1,672,986,175.04x = 1,385,694,280,934,034,432 - Step 5: Solve for x
x = 1,385,694,280,934,034,432/1,672,986,175.04 - Step 6: Final answer
x = 828,275,990.33
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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.