Finding the Fourth Proportional to 1,200,694,920.36, 1,801,352,898.96 and 703,125,642.36
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Solution
The fourth proportional to 1,200,694,920.36, 1,801,352,898.96 and 703,125,642.36 is: 1,054,870,302.79
Step by Step Solution
- Step 1: Write the proportion equation
1,200,694,920.36 : 1,801,352,898.96 = 703,125,642.36 : x - Step 2: Convert to fraction form
1,200,694,920.36/1,801,352,898.96 = 703,125,642.36/x - Step 3: Cross multiply
1,200,694,920.36x = 1,801,352,898.96 × 703,125,642.36 - Step 4: Simplify right side
1,200,694,920.36x = 1,266,577,414,198,298,112 - Step 5: Solve for x
x = 1,266,577,414,198,298,112/1,200,694,920.36 - Step 6: Final answer
x = 1,054,870,302.79
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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.