Finding the Fourth Proportional to 577,417,163.60, 866,125,745.40 and 189,252,657.20
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Solution
The fourth proportional to 577,417,163.60, 866,125,745.40 and 189,252,657.20 is: 283,878,985.80
Step by Step Solution
- Step 1: Write the proportion equation
577,417,163.60 : 866,125,745.40 = 189,252,657.20 : x - Step 2: Convert to fraction form
577,417,163.60/866,125,745.40 = 189,252,657.20/x - Step 3: Cross multiply
577,417,163.60x = 866,125,745.40 × 189,252,657.20 - Step 4: Simplify right side
577,417,163.60x = 163,916,598,786,280,672 - Step 5: Solve for x
x = 163,916,598,786,280,672/577,417,163.60 - Step 6: Final answer
x = 283,878,985.80
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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.