Finding the Fourth Proportional to 920,233,206.96, 1,381,035,362.04 and 675,222,955.44
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Solution
The fourth proportional to 920,233,206.96, 1,381,035,362.04 and 675,222,955.44 is: 1,013,337,458.02
Step by Step Solution
- Step 1: Write the proportion equation
920,233,206.96 : 1,381,035,362.04 = 675,222,955.44 : x - Step 2: Convert to fraction form
920,233,206.96/1,381,035,362.04 = 675,222,955.44/x - Step 3: Cross multiply
920,233,206.96x = 1,381,035,362.04 × 675,222,955.44 - Step 4: Simplify right side
920,233,206.96x = 932,506,778,723,799,296 - Step 5: Solve for x
x = 932,506,778,723,799,296/920,233,206.96 - Step 6: Final answer
x = 1,013,337,458.02
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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.