Finding the Fourth Proportional to 372,533,434.80, 558,800,152.20 and 366,486,817.20
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Solution
The fourth proportional to 372,533,434.80, 558,800,152.20 and 366,486,817.20 is: 549,730,225.80
Step by Step Solution
- Step 1: Write the proportion equation
372,533,434.80 : 558,800,152.20 = 366,486,817.20 : x - Step 2: Convert to fraction form
372,533,434.80/558,800,152.20 = 366,486,817.20/x - Step 3: Cross multiply
372,533,434.80x = 558,800,152.20 × 366,486,817.20 - Step 4: Simplify right side
372,533,434.80x = 204,792,889,230,653,600 - Step 5: Solve for x
x = 204,792,889,230,653,600/372,533,434.80 - Step 6: Final answer
x = 549,730,225.80
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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.