Finding the Fourth Proportional to 1,226,785,069.23, 1,839,531,903.01 and 838,718,879.42
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Solution
The fourth proportional to 1,226,785,069.23, 1,839,531,903.01 and 838,718,879.42 is: 1,257,636,871.39
Step by Step Solution
- Step 1: Write the proportion equation
1,226,785,069.23 : 1,839,531,903.01 = 838,718,879.42 : x - Step 2: Convert to fraction form
1,226,785,069.23/1,839,531,903.01 = 838,718,879.42/x - Step 3: Cross multiply
1,226,785,069.23x = 1,839,531,903.01 × 838,718,879.42 - Step 4: Simplify right side
1,226,785,069.23x = 1,542,850,136,342,051,072 - Step 5: Solve for x
x = 1,542,850,136,342,051,072/1,226,785,069.23 - Step 6: Final answer
x = 1,257,636,871.39
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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.