Finding the Fourth Proportional to 2,589,120,404.60, 3,882,473,177.16 and 1,345,216,461.80
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Solution
The fourth proportional to 2,589,120,404.60, 3,882,473,177.16 and 1,345,216,461.80 is: 2,017,197,354.41
Step by Step Solution
- Step 1: Write the proportion equation
2,589,120,404.60 : 3,882,473,177.16 = 1,345,216,461.80 : x - Step 2: Convert to fraction form
2,589,120,404.60/3,882,473,177.16 = 1,345,216,461.80/x - Step 3: Cross multiply
2,589,120,404.60x = 3,882,473,177.16 × 1,345,216,461.80 - Step 4: Simplify right side
2,589,120,404.60x = 5,222,766,830,412,579,840 - Step 5: Solve for x
x = 5,222,766,830,412,579,840/2,589,120,404.60 - Step 6: Final answer
x = 2,017,197,354.41
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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.