Finding the Fourth Proportional to 374,112,000.09, 561,197,918.34 and 128,369,745.09
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Solution
The fourth proportional to 374,112,000.09, 561,197,918.34 and 128,369,745.09 is: 192,564,883.52
Step by Step Solution
- Step 1: Write the proportion equation
374,112,000.09 : 561,197,918.34 = 128,369,745.09 : x - Step 2: Convert to fraction form
374,112,000.09/561,197,918.34 = 128,369,745.09/x - Step 3: Cross multiply
374,112,000.09x = 561,197,918.34 × 128,369,745.09 - Step 4: Simplify right side
374,112,000.09x = 72,040,833,722,344,440 - Step 5: Solve for x
x = 72,040,833,722,344,440/374,112,000.09 - Step 6: Final answer
x = 192,564,883.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.