Finding the Fourth Proportional to 422,968,656.24, 634,194,291.38 and 201,707,669.54
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Solution
The fourth proportional to 422,968,656.24, 634,194,291.38 and 201,707,669.54 is: 302,438,137.35
Step by Step Solution
- Step 1: Write the proportion equation
422,968,656.24 : 634,194,291.38 = 201,707,669.54 : x - Step 2: Convert to fraction form
422,968,656.24/634,194,291.38 = 201,707,669.54/x - Step 3: Cross multiply
422,968,656.24x = 634,194,291.38 × 201,707,669.54 - Step 4: Simplify right side
422,968,656.24x = 127,921,852,550,408,448 - Step 5: Solve for x
x = 127,921,852,550,408,448/422,968,656.24 - Step 6: Final answer
x = 302,438,137.35
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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.