Finding the Fourth Proportional to 486,954,606.96, 729,974,673.96 and 163,612,352.88
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Solution
The fourth proportional to 486,954,606.96, 729,974,673.96 and 163,612,352.88 is: 245,264,901.99
Step by Step Solution
- Step 1: Write the proportion equation
486,954,606.96 : 729,974,673.96 = 163,612,352.88 : x - Step 2: Convert to fraction form
486,954,606.96/729,974,673.96 = 163,612,352.88/x - Step 3: Cross multiply
486,954,606.96x = 729,974,673.96 × 163,612,352.88 - Step 4: Simplify right side
486,954,606.96x = 119,432,873,949,406,464 - Step 5: Solve for x
x = 119,432,873,949,406,464/486,954,606.96 - Step 6: Final answer
x = 245,264,901.99
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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.