Finding the Fourth Proportional to 1,079,204,356.18, 1,618,960,955.28 and 332,283,326.14
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Solution
The fourth proportional to 1,079,204,356.18, 1,618,960,955.28 and 332,283,326.14 is: 498,472,534.91
Step by Step Solution
- Step 1: Write the proportion equation
1,079,204,356.18 : 1,618,960,955.28 = 332,283,326.14 : x - Step 2: Convert to fraction form
1,079,204,356.18/1,618,960,955.28 = 332,283,326.14/x - Step 3: Cross multiply
1,079,204,356.18x = 1,618,960,955.28 × 332,283,326.14 - Step 4: Simplify right side
1,079,204,356.18x = 537,953,731,111,230,144 - Step 5: Solve for x
x = 537,953,731,111,230,144/1,079,204,356.18 - Step 6: Final answer
x = 498,472,534.91
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Double scale
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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.