Finding the Fourth Proportional to 440,574,605.08, 608,004,422.36 and 242,341,207.20
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Solution
The fourth proportional to 440,574,605.08, 608,004,422.36 and 242,341,207.20 is: 334,437,173.63
Step by Step Solution
- Step 1: Write the proportion equation
440,574,605.08 : 608,004,422.36 = 242,341,207.20 : x - Step 2: Convert to fraction form
440,574,605.08/608,004,422.36 = 242,341,207.20/x - Step 3: Cross multiply
440,574,605.08x = 608,004,422.36 × 242,341,207.20 - Step 4: Simplify right side
440,574,605.08x = 147,344,525,697,661,056 - Step 5: Solve for x
x = 147,344,525,697,661,056/440,574,605.08 - Step 6: Final answer
x = 334,437,173.63
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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.