Finding the Fourth Proportional to 564,930,001.70, 847,395,002.55 and 201,293,137.70
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Solution
The fourth proportional to 564,930,001.70, 847,395,002.55 and 201,293,137.70 is: 301,939,706.55
Step by Step Solution
- Step 1: Write the proportion equation
564,930,001.70 : 847,395,002.55 = 201,293,137.70 : x - Step 2: Convert to fraction form
564,930,001.70/847,395,002.55 = 201,293,137.70/x - Step 3: Cross multiply
564,930,001.70x = 847,395,002.55 × 201,293,137.70 - Step 4: Simplify right side
564,930,001.70x = 170,574,798,934,588,992 - Step 5: Solve for x
x = 170,574,798,934,588,992/564,930,001.70 - Step 6: Final answer
x = 301,939,706.55
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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.