Finding the Fourth Proportional to 448,364,395.18, 618,666,237.57 and 260,149,541.23
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Solution
The fourth proportional to 448,364,395.18, 618,666,237.57 and 260,149,541.23 is: 358,961,906.00
Step by Step Solution
- Step 1: Write the proportion equation
448,364,395.18 : 618,666,237.57 = 260,149,541.23 : x - Step 2: Convert to fraction form
448,364,395.18/618,666,237.57 = 260,149,541.23/x - Step 3: Cross multiply
448,364,395.18x = 618,666,237.57 × 260,149,541.23 - Step 4: Simplify right side
448,364,395.18x = 160,945,737,878,325,696 - Step 5: Solve for x
x = 160,945,737,878,325,696/448,364,395.18 - Step 6: Final answer
x = 358,961,906.00
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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.