Finding the Fourth Proportional to 324,309,719.94, 447,545,184.99 and 175,627,438.62
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Solution
The fourth proportional to 324,309,719.94, 447,545,184.99 and 175,627,438.62 is: 242,364,658.45
Step by Step Solution
- Step 1: Write the proportion equation
324,309,719.94 : 447,545,184.99 = 175,627,438.62 : x - Step 2: Convert to fraction form
324,309,719.94/447,545,184.99 = 175,627,438.62/x - Step 3: Cross multiply
324,309,719.94x = 447,545,184.99 × 175,627,438.62 - Step 4: Simplify right side
324,309,719.94x = 78,601,214,506,507,776 - Step 5: Solve for x
x = 78,601,214,506,507,776/324,309,719.94 - Step 6: Final answer
x = 242,364,658.45
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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.