Finding the Fourth Proportional to 1,506,829,158.99, 2,079,540,717.71 and 904,022,467.65
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Solution
The fourth proportional to 1,506,829,158.99, 2,079,540,717.71 and 904,022,467.65 is: 1,247,620,886.54
Step by Step Solution
- Step 1: Write the proportion equation
1,506,829,158.99 : 2,079,540,717.71 = 904,022,467.65 : x - Step 2: Convert to fraction form
1,506,829,158.99/2,079,540,717.71 = 904,022,467.65/x - Step 3: Cross multiply
1,506,829,158.99x = 2,079,540,717.71 × 904,022,467.65 - Step 4: Simplify right side
1,506,829,158.99x = 1,879,951,531,198,326,016 - Step 5: Solve for x
x = 1,879,951,531,198,326,016/1,506,829,158.99 - Step 6: Final answer
x = 1,247,620,886.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.