Finding the Fourth Proportional to 2,874,789,148.64, 3,967,220,980.08 and 1,554,689,704.64
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Solution
The fourth proportional to 2,874,789,148.64, 3,967,220,980.08 and 1,554,689,704.64 is: 2,145,478,257.66
Step by Step Solution
- Step 1: Write the proportion equation
2,874,789,148.64 : 3,967,220,980.08 = 1,554,689,704.64 : x - Step 2: Convert to fraction form
2,874,789,148.64/3,967,220,980.08 = 1,554,689,704.64/x - Step 3: Cross multiply
2,874,789,148.64x = 3,967,220,980.08 × 1,554,689,704.64 - Step 4: Simplify right side
2,874,789,148.64x = 6,167,797,613,762,187,264 - Step 5: Solve for x
x = 6,167,797,613,762,187,264/2,874,789,148.64 - Step 6: Final answer
x = 2,145,478,257.66
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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.