Finding the Fourth Proportional to 546,268,812.90, 819,403,219.35 and 488,873,184.90
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Solution
The fourth proportional to 546,268,812.90, 819,403,219.35 and 488,873,184.90 is: 733,309,777.35
Step by Step Solution
- Step 1: Write the proportion equation
546,268,812.90 : 819,403,219.35 = 488,873,184.90 : x - Step 2: Convert to fraction form
546,268,812.90/819,403,219.35 = 488,873,184.90/x - Step 3: Cross multiply
546,268,812.90x = 819,403,219.35 × 488,873,184.90 - Step 4: Simplify right side
546,268,812.90x = 400,584,261,560,947,776 - Step 5: Solve for x
x = 400,584,261,560,947,776/546,268,812.90 - Step 6: Final answer
x = 733,309,777.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.