Finding the Fourth Proportional to 1,528,992,469.60, 2,294,055,574.80 and 609,528,680.80
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Solution
The fourth proportional to 1,528,992,469.60, 2,294,055,574.80 and 609,528,680.80 is: 914,519,002.54
Step by Step Solution
- Step 1: Write the proportion equation
1,528,992,469.60 : 2,294,055,574.80 = 609,528,680.80 : x - Step 2: Convert to fraction form
1,528,992,469.60/2,294,055,574.80 = 609,528,680.80/x - Step 3: Cross multiply
1,528,992,469.60x = 2,294,055,574.80 × 609,528,680.80 - Step 4: Simplify right side
1,528,992,469.60x = 1,398,292,668,189,729,792 - Step 5: Solve for x
x = 1,398,292,668,189,729,792/1,528,992,469.60 - Step 6: Final answer
x = 914,519,002.54
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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.