Finding the Fourth Proportional to 1,238,278,096.08, 1,708,772,539.56 and 673,765,301.28
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Solution
The fourth proportional to 1,238,278,096.08, 1,708,772,539.56 and 673,765,301.28 is: 929,768,239.12
Step by Step Solution
- Step 1: Write the proportion equation
1,238,278,096.08 : 1,708,772,539.56 = 673,765,301.28 : x - Step 2: Convert to fraction form
1,238,278,096.08/1,708,772,539.56 = 673,765,301.28/x - Step 3: Cross multiply
1,238,278,096.08x = 1,708,772,539.56 × 673,765,301.28 - Step 4: Simplify right side
1,238,278,096.08x = 1,151,311,644,935,634,048 - Step 5: Solve for x
x = 1,151,311,644,935,634,048/1,238,278,096.08 - Step 6: Final answer
x = 929,768,239.12
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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.