Finding the Fourth Proportional to 3,148,032,117.60, 4,722,048,176.40 and 967,106,728.80
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Solution
The fourth proportional to 3,148,032,117.60, 4,722,048,176.40 and 967,106,728.80 is: 1,450,660,093.20
Step by Step Solution
- Step 1: Write the proportion equation
3,148,032,117.60 : 4,722,048,176.40 = 967,106,728.80 : x - Step 2: Convert to fraction form
3,148,032,117.60/4,722,048,176.40 = 967,106,728.80/x - Step 3: Cross multiply
3,148,032,117.60x = 4,722,048,176.40 × 967,106,728.80 - Step 4: Simplify right side
3,148,032,117.60x = 4,566,724,565,114,208,768 - Step 5: Solve for x
x = 4,566,724,565,114,208,768/3,148,032,117.60 - Step 6: Final answer
x = 1,450,660,093.20
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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.