Finding the Fourth Proportional to 1,486,268,699.83, 2,230,272,391.76 and 554,235,445.64
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Solution
The fourth proportional to 1,486,268,699.83, 2,230,272,391.76 and 554,235,445.64 is: 831,677,349.52
Step by Step Solution
- Step 1: Write the proportion equation
1,486,268,699.83 : 2,230,272,391.76 = 554,235,445.64 : x - Step 2: Convert to fraction form
1,486,268,699.83/2,230,272,391.76 = 554,235,445.64/x - Step 3: Cross multiply
1,486,268,699.83x = 2,230,272,391.76 × 554,235,445.64 - Step 4: Simplify right side
1,486,268,699.83x = 1,236,096,012,950,547,456 - Step 5: Solve for x
x = 1,236,096,012,950,547,456/1,486,268,699.83 - Step 6: Final answer
x = 831,677,349.52
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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.