Finding the Fourth Proportional to 1,304,334,449.46, 1,799,995,812.93 and 709,622,314.74
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Solution
The fourth proportional to 1,304,334,449.46, 1,799,995,812.93 and 709,622,314.74 is: 979,286,559.38
Step by Step Solution
- Step 1: Write the proportion equation
1,304,334,449.46 : 1,799,995,812.93 = 709,622,314.74 : x - Step 2: Convert to fraction form
1,304,334,449.46/1,799,995,812.93 = 709,622,314.74/x - Step 3: Cross multiply
1,304,334,449.46x = 1,799,995,812.93 × 709,622,314.74 - Step 4: Simplify right side
1,304,334,449.46x = 1,277,317,195,293,694,720 - Step 5: Solve for x
x = 1,277,317,195,293,694,720/1,304,334,449.46 - Step 6: Final answer
x = 979,286,559.38
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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.