Finding the Fourth Proportional to 416,427,337.36, 620,918,038.52 and 404,986,326.18
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Solution
The fourth proportional to 416,427,337.36, 620,918,038.52 and 404,986,326.18 is: 603,858,807.33
Step by Step Solution
- Step 1: Write the proportion equation
416,427,337.36 : 620,918,038.52 = 404,986,326.18 : x - Step 2: Convert to fraction form
416,427,337.36/620,918,038.52 = 404,986,326.18/x - Step 3: Cross multiply
416,427,337.36x = 620,918,038.52 × 404,986,326.18 - Step 4: Simplify right side
416,427,337.36x = 251,463,315,278,539,776 - Step 5: Solve for x
x = 251,463,315,278,539,776/416,427,337.36 - Step 6: Final answer
x = 603,858,807.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.