Finding the Fourth Proportional to 850,854,651.21, 1,174,177,058.87 and 474,511,593.62
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Solution
The fourth proportional to 850,854,651.21, 1,174,177,058.87 and 474,511,593.62 is: 654,824,683.17
Step by Step Solution
- Step 1: Write the proportion equation
850,854,651.21 : 1,174,177,058.87 = 474,511,593.62 : x - Step 2: Convert to fraction form
850,854,651.21/1,174,177,058.87 = 474,511,593.62/x - Step 3: Cross multiply
850,854,651.21x = 1,174,177,058.87 × 474,511,593.62 - Step 4: Simplify right side
850,854,651.21x = 557,160,627,400,569,984 - Step 5: Solve for x
x = 557,160,627,400,569,984/850,854,651.21 - Step 6: Final answer
x = 654,824,683.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.