Finding the Fourth Proportional to 1,670,992,837.81, 2,506,572,512.16 and 635,933,939.29
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Solution
The fourth proportional to 1,670,992,837.81, 2,506,572,512.16 and 635,933,939.29 is: 953,932,593.66
Step by Step Solution
- Step 1: Write the proportion equation
1,670,992,837.81 : 2,506,572,512.16 = 635,933,939.29 : x - Step 2: Convert to fraction form
1,670,992,837.81/2,506,572,512.16 = 635,933,939.29/x - Step 3: Cross multiply
1,670,992,837.81x = 2,506,572,512.16 × 635,933,939.29 - Step 4: Simplify right side
1,670,992,837.81x = 1,594,014,531,765,257,216 - Step 5: Solve for x
x = 1,594,014,531,765,257,216/1,670,992,837.81 - Step 6: Final answer
x = 953,932,593.66
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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.