Finding the Fourth Proportional to 564,872,461.70, 847,308,692.55 and 201,235,597.70
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Solution
The fourth proportional to 564,872,461.70, 847,308,692.55 and 201,235,597.70 is: 301,853,396.55
Step by Step Solution
- Step 1: Write the proportion equation
564,872,461.70 : 847,308,692.55 = 201,235,597.70 : x - Step 2: Convert to fraction form
564,872,461.70/847,308,692.55 = 201,235,597.70/x - Step 3: Cross multiply
564,872,461.70x = 847,308,692.55 × 201,235,597.70 - Step 4: Simplify right side
564,872,461.70x = 170,508,671,181,704,768 - Step 5: Solve for x
x = 170,508,671,181,704,768/564,872,461.70 - Step 6: Final answer
x = 301,853,396.55
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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.