Finding the Fourth Proportional to 1,618,292,236.14, 2,233,243,288.35 and 875,736,298.62
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Solution
The fourth proportional to 1,618,292,236.14, 2,233,243,288.35 and 875,736,298.62 is: 1,208,516,093.44
Step by Step Solution
- Step 1: Write the proportion equation
1,618,292,236.14 : 2,233,243,288.35 = 875,736,298.62 : x - Step 2: Convert to fraction form
1,618,292,236.14/2,233,243,288.35 = 875,736,298.62/x - Step 3: Cross multiply
1,618,292,236.14x = 2,233,243,288.35 × 875,736,298.62 - Step 4: Simplify right side
1,618,292,236.14x = 1,955,732,211,257,586,176 - Step 5: Solve for x
x = 1,955,732,211,257,586,176/1,618,292,236.14 - Step 6: Final answer
x = 1,208,516,093.44
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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.