Finding the Fourth Proportional to 5,498,313,532.86, 7,587,922,533.99 and 3,240,348,357.18
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Solution
The fourth proportional to 5,498,313,532.86, 7,587,922,533.99 and 3,240,348,357.18 is: 4,471,827,983.34
Step by Step Solution
- Step 1: Write the proportion equation
5,498,313,532.86 : 7,587,922,533.99 = 3,240,348,357.18 : x - Step 2: Convert to fraction form
5,498,313,532.86/7,587,922,533.99 = 3,240,348,357.18/x - Step 3: Cross multiply
5,498,313,532.86x = 7,587,922,533.99 × 3,240,348,357.18 - Step 4: Simplify right side
5,498,313,532.86x = 24,587,512,317,423,595,520 - Step 5: Solve for x
x = 24,587,512,317,423,595,520/5,498,313,532.86 - Step 6: Final answer
x = 4,471,827,983.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.