Finding the Fourth Proportional to 1,659,599,499.45, 2,290,377,864.12 and 945,165,262.99
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Solution
The fourth proportional to 1,659,599,499.45, 2,290,377,864.12 and 945,165,262.99 is: 1,304,402,415.77
Step by Step Solution
- Step 1: Write the proportion equation
1,659,599,499.45 : 2,290,377,864.12 = 945,165,262.99 : x - Step 2: Convert to fraction form
1,659,599,499.45/2,290,377,864.12 = 945,165,262.99/x - Step 3: Cross multiply
1,659,599,499.45x = 2,290,377,864.12 × 945,165,262.99 - Step 4: Simplify right side
1,659,599,499.45x = 2,164,785,596,287,454,208 - Step 5: Solve for x
x = 2,164,785,596,287,454,208/1,659,599,499.45 - Step 6: Final answer
x = 1,304,402,415.77
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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.