Finding the Fourth Proportional to 5,028,982,480.69, 6,937,815,162.60 and 2,993,291,877.53
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Solution
The fourth proportional to 5,028,982,480.69, 6,937,815,162.60 and 2,993,291,877.53 is: 4,129,444,843.72
Step by Step Solution
- Step 1: Write the proportion equation
5,028,982,480.69 : 6,937,815,162.60 = 2,993,291,877.53 : x - Step 2: Convert to fraction form
5,028,982,480.69/6,937,815,162.60 = 2,993,291,877.53/x - Step 3: Cross multiply
5,028,982,480.69x = 6,937,815,162.60 × 2,993,291,877.53 - Step 4: Simplify right side
5,028,982,480.69x = 20,766,905,774,032,400,384 - Step 5: Solve for x
x = 20,766,905,774,032,400,384/5,028,982,480.69 - Step 6: Final answer
x = 4,129,444,843.72
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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.