Finding the Fourth Proportional to 841,232,024.70, 1,260,720,113.50 and 654,711,201.49
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Solution
The fourth proportional to 841,232,024.70, 1,260,720,113.50 and 654,711,201.49 is: 981,188,965.72
Step by Step Solution
- Step 1: Write the proportion equation
841,232,024.70 : 1,260,720,113.50 = 654,711,201.49 : x - Step 2: Convert to fraction form
841,232,024.70/1,260,720,113.50 = 654,711,201.49/x - Step 3: Cross multiply
841,232,024.70x = 1,260,720,113.50 × 654,711,201.49 - Step 4: Simplify right side
841,232,024.70x = 825,407,580,248,559,360 - Step 5: Solve for x
x = 825,407,580,248,559,360/841,232,024.70 - Step 6: Final answer
x = 981,188,965.72
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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.