Finding the Fourth Proportional to 2,361,216,572.85, 3,258,480,107.53 and 1,289,534,574.09
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Solution
The fourth proportional to 2,361,216,572.85, 3,258,480,107.53 and 1,289,534,574.09 is: 1,779,558,387.81
Step by Step Solution
- Step 1: Write the proportion equation
2,361,216,572.85 : 3,258,480,107.53 = 1,289,534,574.09 : x - Step 2: Convert to fraction form
2,361,216,572.85/3,258,480,107.53 = 1,289,534,574.09/x - Step 3: Cross multiply
2,361,216,572.85x = 3,258,480,107.53 × 1,289,534,574.09 - Step 4: Simplify right side
2,361,216,572.85x = 4,201,922,757,651,273,728 - Step 5: Solve for x
x = 4,201,922,757,651,273,728/2,361,216,572.85 - Step 6: Final answer
x = 1,779,558,387.81
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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.