Finding the Fourth Proportional to 325,151,468.19, 487,617,868.67 and 117,846,483.59
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Solution
The fourth proportional to 325,151,468.19, 487,617,868.67 and 117,846,483.59 is: 176,730,098.99
Step by Step Solution
- Step 1: Write the proportion equation
325,151,468.19 : 487,617,868.67 = 117,846,483.59 : x - Step 2: Convert to fraction form
325,151,468.19/487,617,868.67 = 117,846,483.59/x - Step 3: Cross multiply
325,151,468.19x = 487,617,868.67 × 117,846,483.59 - Step 4: Simplify right side
325,151,468.19x = 57,464,051,159,039,744 - Step 5: Solve for x
x = 57,464,051,159,039,744/325,151,468.19 - Step 6: Final answer
x = 176,730,098.99
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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.