Finding the Fourth Proportional to 638,014,281,650.77, 880,462,361,393.33 and 345,039,204,462.99
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Solution
The fourth proportional to 638,014,281,650.77, 880,462,361,393.33 and 345,039,204,462.99 is: 476,155,536,751.84
Step by Step Solution
- Step 1: Write the proportion equation
638,014,281,650.77 : 880,462,361,393.33 = 345,039,204,462.99 : x - Step 2: Convert to fraction form
638,014,281,650.77/880,462,361,393.33 = 345,039,204,462.99/x - Step 3: Cross multiply
638,014,281,650.77x = 880,462,361,393.33 × 345,039,204,462.99 - Step 4: Simplify right side
638,014,281,650.77x = 303,794,032,734,760,182,218,752 - Step 5: Solve for x
x = 303,794,032,734,760,182,218,752/638,014,281,650.77 - Step 6: Final answer
x = 476,155,536,751.84
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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.