Finding the Fourth Proportional to 489,477,177.96, 734,236,029.36 and 144,430,798.38
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Solution
The fourth proportional to 489,477,177.96, 734,236,029.36 and 144,430,798.38 is: 216,652,176.43
Step by Step Solution
- Step 1: Write the proportion equation
489,477,177.96 : 734,236,029.36 = 144,430,798.38 : x - Step 2: Convert to fraction form
489,477,177.96/734,236,029.36 = 144,430,798.38/x - Step 3: Cross multiply
489,477,177.96x = 734,236,029.36 × 144,430,798.38 - Step 4: Simplify right side
489,477,177.96x = 106,046,295,919,825,920 - Step 5: Solve for x
x = 106,046,295,919,825,920/489,477,177.96 - Step 6: Final answer
x = 216,652,176.43
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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.