Finding the Fourth Proportional to 944,247,564.90, 1,303,062,894.84 and 520,851,675.42
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Solution
The fourth proportional to 944,247,564.90, 1,303,062,894.84 and 520,851,675.42 is: 718,776,004.50
Step by Step Solution
- Step 1: Write the proportion equation
944,247,564.90 : 1,303,062,894.84 = 520,851,675.42 : x - Step 2: Convert to fraction form
944,247,564.90/1,303,062,894.84 = 520,851,675.42/x - Step 3: Cross multiply
944,247,564.90x = 1,303,062,894.84 × 520,851,675.42 - Step 4: Simplify right side
944,247,564.90x = 678,702,491,955,049,216 - Step 5: Solve for x
x = 678,702,491,955,049,216/944,247,564.90 - Step 6: Final answer
x = 718,776,004.50
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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.