Finding the Fourth Proportional to 1,479,765,882.68, 2,218,985,408.42 and 881,785,756.86
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Solution
The fourth proportional to 1,479,765,882.68, 2,218,985,408.42 and 881,785,756.86 is: 1,322,283,308.95
Step by Step Solution
- Step 1: Write the proportion equation
1,479,765,882.68 : 2,218,985,408.42 = 881,785,756.86 : x - Step 2: Convert to fraction form
1,479,765,882.68/2,218,985,408.42 = 881,785,756.86/x - Step 3: Cross multiply
1,479,765,882.68x = 2,218,985,408.42 × 881,785,756.86 - Step 4: Simplify right side
1,479,765,882.68x = 1,956,669,727,824,925,952 - Step 5: Solve for x
x = 1,956,669,727,824,925,952/1,479,765,882.68 - Step 6: Final answer
x = 1,322,283,308.95
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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.