Finding the Fourth Proportional to 292,572,334.20, 438,858,501.30 and 265,787,707.80
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Solution
The fourth proportional to 292,572,334.20, 438,858,501.30 and 265,787,707.80 is: 398,681,561.70
Step by Step Solution
- Step 1: Write the proportion equation
292,572,334.20 : 438,858,501.30 = 265,787,707.80 : x - Step 2: Convert to fraction form
292,572,334.20/438,858,501.30 = 265,787,707.80/x - Step 3: Cross multiply
292,572,334.20x = 438,858,501.30 × 265,787,707.80 - Step 4: Simplify right side
292,572,334.20x = 116,643,195,109,070,336 - Step 5: Solve for x
x = 116,643,195,109,070,336/292,572,334.20 - Step 6: Final answer
x = 398,681,561.70
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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.