Finding the Fourth Proportional to 2,069,305,232.24, 2,855,214,931.80 and 1,189,068,875.12
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Solution
The fourth proportional to 2,069,305,232.24, 2,855,214,931.80 and 1,189,068,875.12 is: 1,640,670,092.69
Step by Step Solution
- Step 1: Write the proportion equation
2,069,305,232.24 : 2,855,214,931.80 = 1,189,068,875.12 : x - Step 2: Convert to fraction form
2,069,305,232.24/2,855,214,931.80 = 1,189,068,875.12/x - Step 3: Cross multiply
2,069,305,232.24x = 2,855,214,931.80 × 1,189,068,875.12 - Step 4: Simplify right side
2,069,305,232.24x = 3,395,047,207,181,253,632 - Step 5: Solve for x
x = 3,395,047,207,181,253,632/2,069,305,232.24 - Step 6: Final answer
x = 1,640,670,092.69
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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.