Finding the Fourth Proportional to 1,694,184,620.29, 2,338,031,551.40 and 941,529,518.91
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Solution
The fourth proportional to 1,694,184,620.29, 2,338,031,551.40 and 941,529,518.91 is: 1,299,342,288.56
Step by Step Solution
- Step 1: Write the proportion equation
1,694,184,620.29 : 2,338,031,551.40 = 941,529,518.91 : x - Step 2: Convert to fraction form
1,694,184,620.29/2,338,031,551.40 = 941,529,518.91/x - Step 3: Cross multiply
1,694,184,620.29x = 2,338,031,551.40 × 941,529,518.91 - Step 4: Simplify right side
1,694,184,620.29x = 2,201,325,721,774,352,896 - Step 5: Solve for x
x = 2,201,325,721,774,352,896/1,694,184,620.29 - Step 6: Final answer
x = 1,299,342,288.56
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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.