Finding the Fourth Proportional to 4,032,372,499.20, 6,048,558,748.80 and 968,752,915.20
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Solution
The fourth proportional to 4,032,372,499.20, 6,048,558,748.80 and 968,752,915.20 is: 1,453,129,372.80
Step by Step Solution
- Step 1: Write the proportion equation
4,032,372,499.20 : 6,048,558,748.80 = 968,752,915.20 : x - Step 2: Convert to fraction form
4,032,372,499.20/6,048,558,748.80 = 968,752,915.20/x - Step 3: Cross multiply
4,032,372,499.20x = 6,048,558,748.80 × 968,752,915.20 - Step 4: Simplify right side
4,032,372,499.20x = 5,859,558,920,658,464,768 - Step 5: Solve for x
x = 5,859,558,920,658,464,768/4,032,372,499.20 - Step 6: Final answer
x = 1,453,129,372.80
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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.