Finding the Fourth Proportional to 564,930,001.20, 847,395,001.80 and 201,293,137.20
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Solution
The fourth proportional to 564,930,001.20, 847,395,001.80 and 201,293,137.20 is: 301,939,705.80
Step by Step Solution
- Step 1: Write the proportion equation
564,930,001.20 : 847,395,001.80 = 201,293,137.20 : x - Step 2: Convert to fraction form
564,930,001.20/847,395,001.80 = 201,293,137.20/x - Step 3: Cross multiply
564,930,001.20x = 847,395,001.80 × 201,293,137.20 - Step 4: Simplify right side
564,930,001.20x = 170,574,798,359,921,632 - Step 5: Solve for x
x = 170,574,798,359,921,632/564,930,001.20 - Step 6: Final answer
x = 301,939,705.80
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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.