Finding the Fourth Proportional to 1,064,995,183.68, 1,469,839,353.06 and 612,863,859.24
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Solution
The fourth proportional to 1,064,995,183.68, 1,469,839,353.06 and 612,863,859.24 is: 845,836,142.91
Step by Step Solution
- Step 1: Write the proportion equation
1,064,995,183.68 : 1,469,839,353.06 = 612,863,859.24 : x - Step 2: Convert to fraction form
1,064,995,183.68/1,469,839,353.06 = 612,863,859.24/x - Step 3: Cross multiply
1,064,995,183.68x = 1,469,839,353.06 × 612,863,859.24 - Step 4: Simplify right side
1,064,995,183.68x = 900,811,418,379,176,448 - Step 5: Solve for x
x = 900,811,418,379,176,448/1,064,995,183.68 - Step 6: Final answer
x = 845,836,142.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.