Finding the Fourth Proportional to 575,436,605.63, 794,101,022.17 and 321,115,295.70
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Solution
The fourth proportional to 575,436,605.63, 794,101,022.17 and 321,115,295.70 is: 443,138,274.58
Step by Step Solution
- Step 1: Write the proportion equation
575,436,605.63 : 794,101,022.17 = 321,115,295.70 : x - Step 2: Convert to fraction form
575,436,605.63/794,101,022.17 = 321,115,295.70/x - Step 3: Cross multiply
575,436,605.63x = 794,101,022.17 × 321,115,295.70 - Step 4: Simplify right side
575,436,605.63x = 254,997,984,549,791,776 - Step 5: Solve for x
x = 254,997,984,549,791,776/575,436,605.63 - Step 6: Final answer
x = 443,138,274.58
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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.