Finding the Fourth Proportional to 1,041,018,866.76, 1,561,531,950.06 and 264,664,611.12
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Solution
The fourth proportional to 1,041,018,866.76, 1,561,531,950.06 and 264,664,611.12 is: 396,997,844.62
Step by Step Solution
- Step 1: Write the proportion equation
1,041,018,866.76 : 1,561,531,950.06 = 264,664,611.12 : x - Step 2: Convert to fraction form
1,041,018,866.76/1,561,531,950.06 = 264,664,611.12/x - Step 3: Cross multiply
1,041,018,866.76x = 1,561,531,950.06 × 264,664,611.12 - Step 4: Simplify right side
1,041,018,866.76x = 413,282,246,314,085,184 - Step 5: Solve for x
x = 413,282,246,314,085,184/1,041,018,866.76 - Step 6: Final answer
x = 396,997,844.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.