Finding the Fourth Proportional to 397,602,462.80, 596,403,694.20 and 106,514,512.40
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Solution
The fourth proportional to 397,602,462.80, 596,403,694.20 and 106,514,512.40 is: 159,771,768.60
Step by Step Solution
- Step 1: Write the proportion equation
397,602,462.80 : 596,403,694.20 = 106,514,512.40 : x - Step 2: Convert to fraction form
397,602,462.80/596,403,694.20 = 106,514,512.40/x - Step 3: Cross multiply
397,602,462.80x = 596,403,694.20 × 106,514,512.40 - Step 4: Simplify right side
397,602,462.80x = 63,525,648,681,271,720 - Step 5: Solve for x
x = 63,525,648,681,271,720/397,602,462.80 - Step 6: Final answer
x = 159,771,768.60
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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.