Finding the Fourth Proportional to 295,549,818.15, 407,791,078.29 and 176,449,227.63
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Solution
The fourth proportional to 295,549,818.15, 407,791,078.29 and 176,449,227.63 is: 243,459,533.32
Step by Step Solution
- Step 1: Write the proportion equation
295,549,818.15 : 407,791,078.29 = 176,449,227.63 : x - Step 2: Convert to fraction form
295,549,818.15/407,791,078.29 = 176,449,227.63/x - Step 3: Cross multiply
295,549,818.15x = 407,791,078.29 × 176,449,227.63 - Step 4: Simplify right side
295,549,818.15x = 71,954,420,798,675,360 - Step 5: Solve for x
x = 71,954,420,798,675,360/295,549,818.15 - Step 6: Final answer
x = 243,459,533.32
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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.