Finding the Fourth Proportional to 941,929,170.34, 1,299,839,314.80 and 518,539,390.42
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Solution
The fourth proportional to 941,929,170.34, 1,299,839,314.80 and 518,539,390.42 is: 715,571,729.98
Step by Step Solution
- Step 1: Write the proportion equation
941,929,170.34 : 1,299,839,314.80 = 518,539,390.42 : x - Step 2: Convert to fraction form
941,929,170.34/1,299,839,314.80 = 518,539,390.42/x - Step 3: Cross multiply
941,929,170.34x = 1,299,839,314.80 × 518,539,390.42 - Step 4: Simplify right side
941,929,170.34x = 674,017,885,940,342,528 - Step 5: Solve for x
x = 674,017,885,940,342,528/941,929,170.34 - Step 6: Final answer
x = 715,571,729.98
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1.5x scale
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.