Finding the Fourth Proportional to 420,804,399.15, 580,659,770.48 and 232,607,268.99
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Solution
The fourth proportional to 420,804,399.15, 580,659,770.48 and 232,607,268.99 is: 320,970,226.77
Step by Step Solution
- Step 1: Write the proportion equation
420,804,399.15 : 580,659,770.48 = 232,607,268.99 : x - Step 2: Convert to fraction form
420,804,399.15/580,659,770.48 = 232,607,268.99/x - Step 3: Cross multiply
420,804,399.15x = 580,659,770.48 × 232,607,268.99 - Step 4: Simplify right side
420,804,399.15x = 135,065,683,422,550,000 - Step 5: Solve for x
x = 135,065,683,422,550,000/420,804,399.15 - Step 6: Final answer
x = 320,970,226.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.