Finding the Fourth Proportional to 84,642,244,381.31, 116,806,316,312.67 and 46,580,451,378.82
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Solution
The fourth proportional to 84,642,244,381.31, 116,806,316,312.67 and 46,580,451,378.82 is: 64,281,033,395.46
Step by Step Solution
- Step 1: Write the proportion equation
84,642,244,381.31 : 116,806,316,312.67 = 46,580,451,378.82 : x - Step 2: Convert to fraction form
84,642,244,381.31/116,806,316,312.67 = 46,580,451,378.82/x - Step 3: Cross multiply
84,642,244,381.31x = 116,806,316,312.67 × 46,580,451,378.82 - Step 4: Simplify right side
84,642,244,381.31x = 5,440,890,937,741,394,575,360 - Step 5: Solve for x
x = 5,440,890,937,741,394,575,360/84,642,244,381.31 - Step 6: Final answer
x = 64,281,033,395.46
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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.