Finding the Fourth Proportional to 352,643,488.20, 528,970,509.18 and 134,305,888.68
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Solution
The fourth proportional to 352,643,488.20, 528,970,509.18 and 134,305,888.68 is: 201,460,842.74
Step by Step Solution
- Step 1: Write the proportion equation
352,643,488.20 : 528,970,509.18 = 134,305,888.68 : x - Step 2: Convert to fraction form
352,643,488.20/528,970,509.18 = 134,305,888.68/x - Step 3: Cross multiply
352,643,488.20x = 528,970,509.18 × 134,305,888.68 - Step 4: Simplify right side
352,643,488.20x = 71,043,854,320,932,000 - Step 5: Solve for x
x = 71,043,854,320,932,000/352,643,488.20 - Step 6: Final answer
x = 201,460,842.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.