Finding the Fourth Proportional to 324,807,305.88, 487,016,386.24 and 103,382,995.53
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Solution
The fourth proportional to 324,807,305.88, 487,016,386.24 and 103,382,995.53 is: 155,012,562.74
Step by Step Solution
- Step 1: Write the proportion equation
324,807,305.88 : 487,016,386.24 = 103,382,995.53 : x - Step 2: Convert to fraction form
324,807,305.88/487,016,386.24 = 103,382,995.53/x - Step 3: Cross multiply
324,807,305.88x = 487,016,386.24 × 103,382,995.53 - Step 4: Simplify right side
324,807,305.88x = 50,349,212,881,686,672 - Step 5: Solve for x
x = 50,349,212,881,686,672/324,807,305.88 - Step 6: Final answer
x = 155,012,562.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.