Finding the Fourth Proportional to 1,050,542,887.76, 1,449,704,148.36 and 580,619,907.92
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Solution
The fourth proportional to 1,050,542,887.76, 1,449,704,148.36 and 580,619,907.92 is: 801,230,581.77
Step by Step Solution
- Step 1: Write the proportion equation
1,050,542,887.76 : 1,449,704,148.36 = 580,619,907.92 : x - Step 2: Convert to fraction form
1,050,542,887.76/1,449,704,148.36 = 580,619,907.92/x - Step 3: Cross multiply
1,050,542,887.76x = 1,449,704,148.36 × 580,619,907.92 - Step 4: Simplify right side
1,050,542,887.76x = 841,727,089,132,025,088 - Step 5: Solve for x
x = 841,727,089,132,025,088/1,050,542,887.76 - Step 6: Final answer
x = 801,230,581.77
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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.