Finding the Fourth Proportional to 2,855,962,935.60, 4,283,944,403.40 and 1,985,250,001.20
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Solution
The fourth proportional to 2,855,962,935.60, 4,283,944,403.40 and 1,985,250,001.20 is: 2,977,875,001.80
Step by Step Solution
- Step 1: Write the proportion equation
2,855,962,935.60 : 4,283,944,403.40 = 1,985,250,001.20 : x - Step 2: Convert to fraction form
2,855,962,935.60/4,283,944,403.40 = 1,985,250,001.20/x - Step 3: Cross multiply
2,855,962,935.60x = 4,283,944,403.40 × 1,985,250,001.20 - Step 4: Simplify right side
2,855,962,935.60x = 8,504,700,631,990,583,296 - Step 5: Solve for x
x = 8,504,700,631,990,583,296/2,855,962,935.60 - Step 6: Final answer
x = 2,977,875,001.80
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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.