Finding the Fourth Proportional to 2,652,138,818.40, 3,970,555,477.20 and 2,346,028,802.40
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Solution
The fourth proportional to 2,652,138,818.40, 3,970,555,477.20 and 2,346,028,802.40 is: 3,512,273,734.09
Step by Step Solution
- Step 1: Write the proportion equation
2,652,138,818.40 : 3,970,555,477.20 = 2,346,028,802.40 : x - Step 2: Convert to fraction form
2,652,138,818.40/3,970,555,477.20 = 2,346,028,802.40/x - Step 3: Cross multiply
2,652,138,818.40x = 3,970,555,477.20 × 2,346,028,802.40 - Step 4: Simplify right side
2,652,138,818.40x = 9,315,037,511,038,275,584 - Step 5: Solve for x
x = 9,315,037,511,038,275,584/2,652,138,818.40 - Step 6: Final answer
x = 3,512,273,734.09
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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.