Finding the Fourth Proportional to 1,344,816,014.40, 2,017,224,021.60 and 472,402,468.80
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Solution
The fourth proportional to 1,344,816,014.40, 2,017,224,021.60 and 472,402,468.80 is: 708,603,703.20
Step by Step Solution
- Step 1: Write the proportion equation
1,344,816,014.40 : 2,017,224,021.60 = 472,402,468.80 : x - Step 2: Convert to fraction form
1,344,816,014.40/2,017,224,021.60 = 472,402,468.80/x - Step 3: Cross multiply
1,344,816,014.40x = 2,017,224,021.60 × 472,402,468.80 - Step 4: Simplify right side
1,344,816,014.40x = 952,941,607,926,504,448 - Step 5: Solve for x
x = 952,941,607,926,504,448/1,344,816,014.40 - Step 6: Final answer
x = 708,603,703.20
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1.5x scale
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.