Finding the Fourth Proportional to 2,194,776,276.68, 3,028,794,258.30 and 1,191,193,857.48
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Solution
The fourth proportional to 2,194,776,276.68, 3,028,794,258.30 and 1,191,193,857.48 is: 1,643,849,149.63
Step by Step Solution
- Step 1: Write the proportion equation
2,194,776,276.68 : 3,028,794,258.30 = 1,191,193,857.48 : x - Step 2: Convert to fraction form
2,194,776,276.68/3,028,794,258.30 = 1,191,193,857.48/x - Step 3: Cross multiply
2,194,776,276.68x = 3,028,794,258.30 × 1,191,193,857.48 - Step 4: Simplify right side
2,194,776,276.68x = 3,607,881,116,057,652,736 - Step 5: Solve for x
x = 3,607,881,116,057,652,736/2,194,776,276.68 - Step 6: Final answer
x = 1,643,849,149.63
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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.