Finding the Fourth Proportional to 564,138,909.70, 846,208,364.55 and 564,138,909.70
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Solution
The fourth proportional to 564,138,909.70, 846,208,364.55 and 564,138,909.70 is: 846,208,364.55
Step by Step Solution
- Step 1: Write the proportion equation
564,138,909.70 : 846,208,364.55 = 564,138,909.70 : x - Step 2: Convert to fraction form
564,138,909.70/846,208,364.55 = 564,138,909.70/x - Step 3: Cross multiply
564,138,909.70x = 846,208,364.55 × 564,138,909.70 - Step 4: Simplify right side
564,138,909.70x = 477,379,064,156,257,152 - Step 5: Solve for x
x = 477,379,064,156,257,152/564,138,909.70 - Step 6: Final answer
x = 846,208,364.55
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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.