Finding the Fourth Proportional to 265,455,678.41, 398,199,478.38 and 81,224,750.65
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Solution
The fourth proportional to 265,455,678.41, 398,199,478.38 and 81,224,750.65 is: 121,842,009.69
Step by Step Solution
- Step 1: Write the proportion equation
265,455,678.41 : 398,199,478.38 = 81,224,750.65 : x - Step 2: Convert to fraction form
265,455,678.41/398,199,478.38 = 81,224,750.65/x - Step 3: Cross multiply
265,455,678.41x = 398,199,478.38 × 81,224,750.65 - Step 4: Simplify right side
265,455,678.41x = 32,343,653,340,375,568 - Step 5: Solve for x
x = 32,343,653,340,375,568/265,455,678.41 - Step 6: Final answer
x = 121,842,009.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.