Finding the Fourth Proportional to 1,561,528,301.14, 2,342,297,926.59 and 396,996,917.68
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Solution
The fourth proportional to 1,561,528,301.14, 2,342,297,926.59 and 396,996,917.68 is: 595,496,768.43
Step by Step Solution
- Step 1: Write the proportion equation
1,561,528,301.14 : 2,342,297,926.59 = 396,996,917.68 : x - Step 2: Convert to fraction form
1,561,528,301.14/2,342,297,926.59 = 396,996,917.68/x - Step 3: Cross multiply
1,561,528,301.14x = 2,342,297,926.59 × 396,996,917.68 - Step 4: Simplify right side
1,561,528,301.14x = 929,885,057,144,484,992 - Step 5: Solve for x
x = 929,885,057,144,484,992/1,561,528,301.14 - Step 6: Final answer
x = 595,496,768.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.