Finding the Fourth Proportional to 299,419,356.74, 449,289,823.37 and 124,663,032.05
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Solution
The fourth proportional to 299,419,356.74, 449,289,823.37 and 124,663,032.05 is: 187,061,492.14
Step by Step Solution
- Step 1: Write the proportion equation
299,419,356.74 : 449,289,823.37 = 124,663,032.05 : x - Step 2: Convert to fraction form
299,419,356.74/449,289,823.37 = 124,663,032.05/x - Step 3: Cross multiply
299,419,356.74x = 449,289,823.37 × 124,663,032.05 - Step 4: Simplify right side
299,419,356.74x = 56,009,831,647,643,384 - Step 5: Solve for x
x = 56,009,831,647,643,384/299,419,356.74 - Step 6: Final answer
x = 187,061,492.14
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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.