Finding the Fourth Proportional to 11,408,128,630.44, 15,725,027,209.98 and 8,992,872,400.92
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Solution
The fourth proportional to 11,408,128,630.44, 15,725,027,209.98 and 8,992,872,400.92 is: 12,395,824,747.54
Step by Step Solution
- Step 1: Write the proportion equation
11,408,128,630.44 : 15,725,027,209.98 = 8,992,872,400.92 : x - Step 2: Convert to fraction form
11,408,128,630.44/15,725,027,209.98 = 8,992,872,400.92/x - Step 3: Cross multiply
11,408,128,630.44x = 15,725,027,209.98 × 8,992,872,400.92 - Step 4: Simplify right side
11,408,128,630.44x = 141,413,163,200,345,161,728 - Step 5: Solve for x
x = 141,413,163,200,345,161,728/11,408,128,630.44 - Step 6: Final answer
x = 12,395,824,747.54
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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.