Finding the Fourth Proportional to 7,498,052,845.76, 10,347,312,703.20 and 4,156,542,660.80
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Solution
The fourth proportional to 7,498,052,845.76, 10,347,312,703.20 and 4,156,542,660.80 is: 5,736,028,747.76
Step by Step Solution
- Step 1: Write the proportion equation
7,498,052,845.76 : 10,347,312,703.20 = 4,156,542,660.80 : x - Step 2: Convert to fraction form
7,498,052,845.76/10,347,312,703.20 = 4,156,542,660.80/x - Step 3: Cross multiply
7,498,052,845.76x = 10,347,312,703.20 × 4,156,542,660.80 - Step 4: Simplify right side
7,498,052,845.76x = 43,009,046,675,488,571,392 - Step 5: Solve for x
x = 43,009,046,675,488,571,392/7,498,052,845.76 - Step 6: Final answer
x = 5,736,028,747.76
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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.