Finding the Fourth Proportional to 664,675,587.44, 996,122,178.84 and 517,301,101.52
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Solution
The fourth proportional to 664,675,587.44, 996,122,178.84 and 517,301,101.52 is: 775,258,050.84
Step by Step Solution
- Step 1: Write the proportion equation
664,675,587.44 : 996,122,178.84 = 517,301,101.52 : x - Step 2: Convert to fraction form
664,675,587.44/996,122,178.84 = 517,301,101.52/x - Step 3: Cross multiply
664,675,587.44x = 996,122,178.84 × 517,301,101.52 - Step 4: Simplify right side
664,675,587.44x = 515,295,100,362,434,432 - Step 5: Solve for x
x = 515,295,100,362,434,432/664,675,587.44 - Step 6: Final answer
x = 775,258,050.84
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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.