Finding the Fourth Proportional to 685,379,752,537.74, 945,811,334,373.33 and 376,724,513,203.05
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Solution
The fourth proportional to 685,379,752,537.74, 945,811,334,373.33 and 376,724,513,203.05 is: 519,872,834,300.14
Step by Step Solution
- Step 1: Write the proportion equation
685,379,752,537.74 : 945,811,334,373.33 = 376,724,513,203.05 : x - Step 2: Convert to fraction form
685,379,752,537.74/945,811,334,373.33 = 376,724,513,203.05/x - Step 3: Cross multiply
685,379,752,537.74x = 945,811,334,373.33 × 376,724,513,203.05 - Step 4: Simplify right side
685,379,752,537.74x = 356,310,314,523,719,838,466,048 - Step 5: Solve for x
x = 356,310,314,523,719,838,466,048/685,379,752,537.74 - Step 6: Final answer
x = 519,872,834,300.14
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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.