Finding the Fourth Proportional to 999,053,490,917.38, 1,498,403,092,579.20 and 454,374,408,231.11
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Solution
The fourth proportional to 999,053,490,917.38, 1,498,403,092,579.20 and 454,374,408,231.11 is: 681,481,046,482.47
Step by Step Solution
- Step 1: Write the proportion equation
999,053,490,917.38 : 1,498,403,092,579.20 = 454,374,408,231.11 : x - Step 2: Convert to fraction form
999,053,490,917.38/1,498,403,092,579.20 = 454,374,408,231.11/x - Step 3: Cross multiply
999,053,490,917.38x = 1,498,403,092,579.20 × 454,374,408,231.11 - Step 4: Simplify right side
999,053,490,917.38x = 680,836,018,482,339,028,926,464 - Step 5: Solve for x
x = 680,836,018,482,339,028,926,464/999,053,490,917.38 - Step 6: Final answer
x = 681,481,046,482.47
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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.