Finding the Fourth Proportional to 3,055,786,125.20, 4,583,679,187.80 and 874,752,261.20
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Solution
The fourth proportional to 3,055,786,125.20, 4,583,679,187.80 and 874,752,261.20 is: 1,312,128,391.80
Step by Step Solution
- Step 1: Write the proportion equation
3,055,786,125.20 : 4,583,679,187.80 = 874,752,261.20 : x - Step 2: Convert to fraction form
3,055,786,125.20/4,583,679,187.80 = 874,752,261.20/x - Step 3: Cross multiply
3,055,786,125.20x = 4,583,679,187.80 × 874,752,261.20 - Step 4: Simplify right side
3,055,786,125.20x = 4,009,583,734,143,429,632 - Step 5: Solve for x
x = 4,009,583,734,143,429,632/3,055,786,125.20 - Step 6: Final answer
x = 1,312,128,391.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.