Finding the Fourth Proportional to 11,408,128,633.94, 15,725,027,214.81 and 8,992,872,404.42
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Solution
The fourth proportional to 11,408,128,633.94, 15,725,027,214.81 and 8,992,872,404.42 is: 12,395,824,752.37
Step by Step Solution
- Step 1: Write the proportion equation
11,408,128,633.94 : 15,725,027,214.81 = 8,992,872,404.42 : x - Step 2: Convert to fraction form
11,408,128,633.94/15,725,027,214.81 = 8,992,872,404.42/x - Step 3: Cross multiply
11,408,128,633.94x = 15,725,027,214.81 × 8,992,872,404.42 - Step 4: Simplify right side
11,408,128,633.94x = 141,413,163,298,818,342,912 - Step 5: Solve for x
x = 141,413,163,298,818,342,912/11,408,128,633.94 - Step 6: Final answer
x = 12,395,824,752.37
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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.