Finding the Fourth Proportional to 352,764,746.77, 486,842,619.36 and 211,641,278.14
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Solution
The fourth proportional to 352,764,746.77, 486,842,619.36 and 211,641,278.14 is: 292,081,323.77
Step by Step Solution
- Step 1: Write the proportion equation
352,764,746.77 : 486,842,619.36 = 211,641,278.14 : x - Step 2: Convert to fraction form
352,764,746.77/486,842,619.36 = 211,641,278.14/x - Step 3: Cross multiply
352,764,746.77x = 486,842,619.36 × 211,641,278.14 - Step 4: Simplify right side
352,764,746.77x = 103,035,994,214,375,904 - Step 5: Solve for x
x = 103,035,994,214,375,904/352,764,746.77 - Step 6: Final answer
x = 292,081,323.77
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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.