Finding the Fourth Proportional to 4,605,218,609.76, 6,355,201,518.52 and 2,490,674,502.96
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Solution
The fourth proportional to 4,605,218,609.76, 6,355,201,518.52 and 2,490,674,502.96 is: 3,437,130,725.96
Step by Step Solution
- Step 1: Write the proportion equation
4,605,218,609.76 : 6,355,201,518.52 = 2,490,674,502.96 : x - Step 2: Convert to fraction form
4,605,218,609.76/6,355,201,518.52 = 2,490,674,502.96/x - Step 3: Cross multiply
4,605,218,609.76x = 6,355,201,518.52 × 2,490,674,502.96 - Step 4: Simplify right side
4,605,218,609.76x = 15,828,738,383,350,439,936 - Step 5: Solve for x
x = 15,828,738,383,350,439,936/4,605,218,609.76 - Step 6: Final answer
x = 3,437,130,725.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.