Finding the Fourth Proportional to 877,562,956.70, 1,316,344,435.05 and 295,103,620.70
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Solution
The fourth proportional to 877,562,956.70, 1,316,344,435.05 and 295,103,620.70 is: 442,655,431.05
Step by Step Solution
- Step 1: Write the proportion equation
877,562,956.70 : 1,316,344,435.05 = 295,103,620.70 : x - Step 2: Convert to fraction form
877,562,956.70/1,316,344,435.05 = 295,103,620.70/x - Step 3: Cross multiply
877,562,956.70x = 1,316,344,435.05 × 295,103,620.70 - Step 4: Simplify right side
877,562,956.70x = 388,458,008,871,550,976 - Step 5: Solve for x
x = 388,458,008,871,550,976/877,562,956.70 - Step 6: Final answer
x = 442,655,431.05
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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.