Finding the Fourth Proportional to 5,668,176,938.75, 8,502,235,132.74 and 1,471,126,689.57
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Solution
The fourth proportional to 5,668,176,938.75, 8,502,235,132.74 and 1,471,126,689.57 is: 2,206,682,176.64
Step by Step Solution
- Step 1: Write the proportion equation
5,668,176,938.75 : 8,502,235,132.74 = 1,471,126,689.57 : x - Step 2: Convert to fraction form
5,668,176,938.75/8,502,235,132.74 = 1,471,126,689.57/x - Step 3: Cross multiply
5,668,176,938.75x = 8,502,235,132.74 × 1,471,126,689.57 - Step 4: Simplify right side
5,668,176,938.75x = 12,507,865,024,773,543,936 - Step 5: Solve for x
x = 12,507,865,024,773,543,936/5,668,176,938.75 - Step 6: Final answer
x = 2,206,682,176.64
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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.