Finding the Fourth Proportional to 1,455,820,964.70, 2,183,731,447.05 and 966,044,939.10
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Solution
The fourth proportional to 1,455,820,964.70, 2,183,731,447.05 and 966,044,939.10 is: 1,449,067,408.65
Step by Step Solution
- Step 1: Write the proportion equation
1,455,820,964.70 : 2,183,731,447.05 = 966,044,939.10 : x - Step 2: Convert to fraction form
1,455,820,964.70/2,183,731,447.05 = 966,044,939.10/x - Step 3: Cross multiply
1,455,820,964.70x = 2,183,731,447.05 × 966,044,939.10 - Step 4: Simplify right side
1,455,820,964.70x = 2,109,582,712,776,172,288 - Step 5: Solve for x
x = 2,109,582,712,776,172,288/1,455,820,964.70 - Step 6: Final answer
x = 1,449,067,408.65
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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.