Finding the Fourth Proportional to 580,860,272.35, 801,563,852.12 and 316,536,631.73
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Solution
The fourth proportional to 580,860,272.35, 801,563,852.12 and 316,536,631.73 is: 436,807,841.65
Step by Step Solution
- Step 1: Write the proportion equation
580,860,272.35 : 801,563,852.12 = 316,536,631.73 : x - Step 2: Convert to fraction form
580,860,272.35/801,563,852.12 = 316,536,631.73/x - Step 3: Cross multiply
580,860,272.35x = 801,563,852.12 × 316,536,631.73 - Step 4: Simplify right side
580,860,272.35x = 253,724,321,866,588,640 - Step 5: Solve for x
x = 253,724,321,866,588,640/580,860,272.35 - Step 6: Final answer
x = 436,807,841.65
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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.