Finding the Fourth Proportional to 2,073,650,979.29, 3,110,479,462.59 and 846,819,430.79
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Solution
The fourth proportional to 2,073,650,979.29, 3,110,479,462.59 and 846,819,430.79 is: 1,270,230,368.70
Step by Step Solution
- Step 1: Write the proportion equation
2,073,650,979.29 : 3,110,479,462.59 = 846,819,430.79 : x - Step 2: Convert to fraction form
2,073,650,979.29/3,110,479,462.59 = 846,819,430.79/x - Step 3: Cross multiply
2,073,650,979.29x = 3,110,479,462.59 × 846,819,430.79 - Step 4: Simplify right side
2,073,650,979.29x = 2,634,014,447,975,678,464 - Step 5: Solve for x
x = 2,634,014,447,975,678,464/2,073,650,979.29 - Step 6: Final answer
x = 1,270,230,368.70
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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.