Finding the Fourth Proportional to 612,327,783.24, 918,495,334.62 and 152,265,952.62
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Solution
The fourth proportional to 612,327,783.24, 918,495,334.62 and 152,265,952.62 is: 228,399,838.99
Step by Step Solution
- Step 1: Write the proportion equation
612,327,783.24 : 918,495,334.62 = 152,265,952.62 : x - Step 2: Convert to fraction form
612,327,783.24/918,495,334.62 = 152,265,952.62/x - Step 3: Cross multiply
612,327,783.24x = 918,495,334.62 × 152,265,952.62 - Step 4: Simplify right side
612,327,783.24x = 139,855,567,102,939,968 - Step 5: Solve for x
x = 139,855,567,102,939,968/612,327,783.24 - Step 6: Final answer
x = 228,399,838.99
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1.5x scale
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.