Finding the Fourth Proportional to 10,120,584,462.12, 13,966,231,480.07 and 5,604,374,043.54
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Solution
The fourth proportional to 10,120,584,462.12, 13,966,231,480.07 and 5,604,374,043.54 is: 7,733,939,229.09
Step by Step Solution
- Step 1: Write the proportion equation
10,120,584,462.12 : 13,966,231,480.07 = 5,604,374,043.54 : x - Step 2: Convert to fraction form
10,120,584,462.12/13,966,231,480.07 = 5,604,374,043.54/x - Step 3: Cross multiply
10,120,584,462.12x = 13,966,231,480.07 × 5,604,374,043.54 - Step 4: Simplify right side
10,120,584,462.12x = 78,271,985,192,947,531,776 - Step 5: Solve for x
x = 78,271,985,192,947,531,776/10,120,584,462.12 - Step 6: Final answer
x = 7,733,939,229.09
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Double scale
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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.