Finding the Fourth Proportional to 935,940,246.66, 1,292,942,893.14 and 747,521,161.38
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Solution
The fourth proportional to 935,940,246.66, 1,292,942,893.14 and 747,521,161.38 is: 1,032,653,715.37
Step by Step Solution
- Step 1: Write the proportion equation
935,940,246.66 : 1,292,942,893.14 = 747,521,161.38 : x - Step 2: Convert to fraction form
935,940,246.66/1,292,942,893.14 = 747,521,161.38/x - Step 3: Cross multiply
935,940,246.66x = 1,292,942,893.14 × 747,521,161.38 - Step 4: Simplify right side
935,940,246.66x = 966,502,173,078,030,080 - Step 5: Solve for x
x = 966,502,173,078,030,080/935,940,246.66 - Step 6: Final answer
x = 1,032,653,715.37
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1.5x scale
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.