Finding the Fourth Proportional to 3,714,984,953.20, 5,572,477,429.80 and 3,430,876,594.60
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Solution
The fourth proportional to 3,714,984,953.20, 5,572,477,429.80 and 3,430,876,594.60 is: 5,146,314,891.90
Step by Step Solution
- Step 1: Write the proportion equation
3,714,984,953.20 : 5,572,477,429.80 = 3,430,876,594.60 : x - Step 2: Convert to fraction form
3,714,984,953.20/5,572,477,429.80 = 3,430,876,594.60/x - Step 3: Cross multiply
3,714,984,953.20x = 5,572,477,429.80 × 3,430,876,594.60 - Step 4: Simplify right side
3,714,984,953.20x = 19,118,482,387,837,583,360 - Step 5: Solve for x
x = 19,118,482,387,837,583,360/3,714,984,953.20 - Step 6: Final answer
x = 5,146,314,891.90
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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.