Finding the Fourth Proportional to 358,965,094.42, 495,371,831.25 and 193,952,663.92
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Solution
The fourth proportional to 358,965,094.42, 495,371,831.25 and 193,952,663.92 is: 267,654,676.72
Step by Step Solution
- Step 1: Write the proportion equation
358,965,094.42 : 495,371,831.25 = 193,952,663.92 : x - Step 2: Convert to fraction form
358,965,094.42/495,371,831.25 = 193,952,663.92/x - Step 3: Cross multiply
358,965,094.42x = 495,371,831.25 × 193,952,663.92 - Step 4: Simplify right side
358,965,094.42x = 96,078,686,301,866,192 - Step 5: Solve for x
x = 96,078,686,301,866,192/358,965,094.42 - Step 6: Final answer
x = 267,654,676.72
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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.