Finding the Fourth Proportional to 1,447,952,142.44, 2,172,596,180.98 and 661,246,965.48
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Solution
The fourth proportional to 1,447,952,142.44, 2,172,596,180.98 and 661,246,965.48 is: 992,175,493.77
Step by Step Solution
- Step 1: Write the proportion equation
1,447,952,142.44 : 2,172,596,180.98 = 661,246,965.48 : x - Step 2: Convert to fraction form
1,447,952,142.44/2,172,596,180.98 = 661,246,965.48/x - Step 3: Cross multiply
1,447,952,142.44x = 2,172,596,180.98 × 661,246,965.48 - Step 4: Simplify right side
1,447,952,142.44x = 1,436,622,631,886,461,952 - Step 5: Solve for x
x = 1,436,622,631,886,461,952/1,447,952,142.44 - Step 6: Final answer
x = 992,175,493.77
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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.