Finding the Fourth Proportional to 1,523,067,397.54, 2,101,518,265.41 and 879,312,176.02
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Solution
The fourth proportional to 1,523,067,397.54, 2,101,518,265.41 and 879,312,176.02 is: 1,213,269,092.28
Step by Step Solution
- Step 1: Write the proportion equation
1,523,067,397.54 : 2,101,518,265.41 = 879,312,176.02 : x - Step 2: Convert to fraction form
1,523,067,397.54/2,101,518,265.41 = 879,312,176.02/x - Step 3: Cross multiply
1,523,067,397.54x = 2,101,518,265.41 × 879,312,176.02 - Step 4: Simplify right side
1,523,067,397.54x = 1,847,890,598,898,270,720 - Step 5: Solve for x
x = 1,847,890,598,898,270,720/1,523,067,397.54 - Step 6: Final answer
x = 1,213,269,092.28
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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.