Finding the Fourth Proportional to 623,752,919.24, 860,785,830.99 and 345,299,092.88
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Solution
The fourth proportional to 623,752,919.24, 860,785,830.99 and 345,299,092.88 is: 476,516,513.89
Step by Step Solution
- Step 1: Write the proportion equation
623,752,919.24 : 860,785,830.99 = 345,299,092.88 : x - Step 2: Convert to fraction form
623,752,919.24/860,785,830.99 = 345,299,092.88/x - Step 3: Cross multiply
623,752,919.24x = 860,785,830.99 × 345,299,092.88 - Step 4: Simplify right side
623,752,919.24x = 297,228,566,600,500,096 - Step 5: Solve for x
x = 297,228,566,600,500,096/623,752,919.24 - Step 6: Final answer
x = 476,516,513.89
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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.