Finding the Fourth Proportional to 425,962,514.96, 639,014,406.64 and 149,541,984.08
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Solution
The fourth proportional to 425,962,514.96, 639,014,406.64 and 149,541,984.08 is: 224,337,773.56
Step by Step Solution
- Step 1: Write the proportion equation
425,962,514.96 : 639,014,406.64 = 149,541,984.08 : x - Step 2: Convert to fraction form
425,962,514.96/639,014,406.64 = 149,541,984.08/x - Step 3: Cross multiply
425,962,514.96x = 639,014,406.64 × 149,541,984.08 - Step 4: Simplify right side
425,962,514.96x = 95,559,482,224,649,536 - Step 5: Solve for x
x = 95,559,482,224,649,536/425,962,514.96 - Step 6: Final answer
x = 224,337,773.56
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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.