Finding the Fourth Proportional to 1,304,458,727.36, 1,957,549,025.52 and 691,473,420.32
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Solution
The fourth proportional to 1,304,458,727.36, 1,957,549,025.52 and 691,473,420.32 is: 1,037,666,498.55
Step by Step Solution
- Step 1: Write the proportion equation
1,304,458,727.36 : 1,957,549,025.52 = 691,473,420.32 : x - Step 2: Convert to fraction form
1,304,458,727.36/1,957,549,025.52 = 691,473,420.32/x - Step 3: Cross multiply
1,304,458,727.36x = 1,957,549,025.52 × 691,473,420.32 - Step 4: Simplify right side
1,304,458,727.36x = 1,353,593,120,120,397,568 - Step 5: Solve for x
x = 1,353,593,120,120,397,568/1,304,458,727.36 - Step 6: Final answer
x = 1,037,666,498.55
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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.