Finding the Fourth Proportional to 472,642,277.79, 652,247,245.95 and 260,949,517.93
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Solution
The fourth proportional to 472,642,277.79, 652,247,245.95 and 260,949,517.93 is: 360,110,833.07
Step by Step Solution
- Step 1: Write the proportion equation
472,642,277.79 : 652,247,245.95 = 260,949,517.93 : x - Step 2: Convert to fraction form
472,642,277.79/652,247,245.95 = 260,949,517.93/x - Step 3: Cross multiply
472,642,277.79x = 652,247,245.95 × 260,949,517.93 - Step 4: Simplify right side
472,642,277.79x = 170,203,604,398,561,440 - Step 5: Solve for x
x = 170,203,604,398,561,440/472,642,277.79 - Step 6: Final answer
x = 360,110,833.07
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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.