Finding the Fourth Proportional to 503,647,015.36, 695,035,638.29 and 292,079,284.81
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Solution
The fourth proportional to 503,647,015.36, 695,035,638.29 and 292,079,284.81 is: 403,071,011.95
Step by Step Solution
- Step 1: Write the proportion equation
503,647,015.36 : 695,035,638.29 = 292,079,284.81 : x - Step 2: Convert to fraction form
503,647,015.36/695,035,638.29 = 292,079,284.81/x - Step 3: Cross multiply
503,647,015.36x = 695,035,638.29 × 292,079,284.81 - Step 4: Simplify right side
503,647,015.36x = 203,005,512,149,205,056 - Step 5: Solve for x
x = 203,005,512,149,205,056/503,647,015.36 - Step 6: Final answer
x = 403,071,011.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.