Finding the Fourth Proportional to 352,643,488.70, 528,970,509.93 and 134,305,889.18
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Solution
The fourth proportional to 352,643,488.70, 528,970,509.93 and 134,305,889.18 is: 201,460,843.49
Step by Step Solution
- Step 1: Write the proportion equation
352,643,488.70 : 528,970,509.93 = 134,305,889.18 : x - Step 2: Convert to fraction form
352,643,488.70/528,970,509.93 = 134,305,889.18/x - Step 3: Cross multiply
352,643,488.70x = 528,970,509.93 × 134,305,889.18 - Step 4: Simplify right side
352,643,488.70x = 71,043,854,686,146,672 - Step 5: Solve for x
x = 71,043,854,686,146,672/352,643,488.70 - Step 6: Final answer
x = 201,460,843.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.