Finding the Fourth Proportional to 6,240,874,474.07, 8,612,404,695.47 and 3,421,421,864.63
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Solution
The fourth proportional to 6,240,874,474.07, 8,612,404,695.47 and 3,421,421,864.63 is: 4,721,561,033.56
Step by Step Solution
- Step 1: Write the proportion equation
6,240,874,474.07 : 8,612,404,695.47 = 3,421,421,864.63 : x - Step 2: Convert to fraction form
6,240,874,474.07/8,612,404,695.47 = 3,421,421,864.63/x - Step 3: Cross multiply
6,240,874,474.07x = 8,612,404,695.47 × 3,421,421,864.63 - Step 4: Simplify right side
6,240,874,474.07x = 29,466,669,732,106,031,104 - Step 5: Solve for x
x = 29,466,669,732,106,031,104/6,240,874,474.07 - Step 6: Final answer
x = 4,721,561,033.56
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1.5x scale
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.