Finding the Fourth Proportional to 5,479,128,988,451.80, 7,561,202,959,785 and 3,010,099,804,862.70
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Solution
The fourth proportional to 5,479,128,988,451.80, 7,561,202,959,785 and 3,010,099,804,862.70 is: 4,153,940,453,263.03
Step by Step Solution
- Step 1: Write the proportion equation
5,479,128,988,451.80 : 7,561,202,959,785 = 3,010,099,804,862.70 : x - Step 2: Convert to fraction form
5,479,128,988,451.80/7,561,202,959,785 = 3,010,099,804,862.70/x - Step 3: Cross multiply
5,479,128,988,451.80x = 7,561,202,959,785 × 3,010,099,804,862.70 - Step 4: Simplify right side
5,479,128,988,451.80x = 22,759,975,553,776,099,096,788,992 - Step 5: Solve for x
x = 22,759,975,553,776,099,096,788,992/5,479,128,988,451.80 - Step 6: Final answer
x = 4,153,940,453,263.03
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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.