Finding the Fourth Proportional to 935,940,220.98, 1,292,942,858.04 and 747,521,135.88
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Solution
The fourth proportional to 935,940,220.98, 1,292,942,858.04 and 747,521,135.88 is: 1,032,653,680.44
Step by Step Solution
- Step 1: Write the proportion equation
935,940,220.98 : 1,292,942,858.04 = 747,521,135.88 : x - Step 2: Convert to fraction form
935,940,220.98/1,292,942,858.04 = 747,521,135.88/x - Step 3: Cross multiply
935,940,220.98x = 1,292,942,858.04 × 747,521,135.88 - Step 4: Simplify right side
935,940,220.98x = 966,502,113,869,994,368 - Step 5: Solve for x
x = 966,502,113,869,994,368/935,940,220.98 - Step 6: Final answer
x = 1,032,653,680.44
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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.