Finding the Fourth Proportional to 1,613,527,851.84, 2,226,673,047.36 and 935,476,574.40
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Solution
The fourth proportional to 1,613,527,851.84, 2,226,673,047.36 and 935,476,574.40 is: 1,290,960,346.47
Step by Step Solution
- Step 1: Write the proportion equation
1,613,527,851.84 : 2,226,673,047.36 = 935,476,574.40 : x - Step 2: Convert to fraction form
1,613,527,851.84/2,226,673,047.36 = 935,476,574.40/x - Step 3: Cross multiply
1,613,527,851.84x = 2,226,673,047.36 × 935,476,574.40 - Step 4: Simplify right side
1,613,527,851.84x = 2,083,000,474,653,141,760 - Step 5: Solve for x
x = 2,083,000,474,653,141,760/1,613,527,851.84 - Step 6: Final answer
x = 1,290,960,346.47
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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.