Finding the Fourth Proportional to 879,153,093.11, 1,213,265,387.06 and 482,692,792.70
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Solution
The fourth proportional to 879,153,093.11, 1,213,265,387.06 and 482,692,792.70 is: 666,134,786.48
Step by Step Solution
- Step 1: Write the proportion equation
879,153,093.11 : 1,213,265,387.06 = 482,692,792.70 : x - Step 2: Convert to fraction form
879,153,093.11/1,213,265,387.06 = 482,692,792.70/x - Step 3: Cross multiply
879,153,093.11x = 1,213,265,387.06 × 482,692,792.70 - Step 4: Simplify right side
879,153,093.11x = 585,634,457,961,825,024 - Step 5: Solve for x
x = 585,634,457,961,825,024/879,153,093.11 - Step 6: Final answer
x = 666,134,786.48
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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.