Finding the Fourth Proportional to 1,058,489,636.79, 1,460,716,909.80 and 588,580,868.68
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Solution
The fourth proportional to 1,058,489,636.79, 1,460,716,909.80 and 588,580,868.68 is: 812,242,272.17
Step by Step Solution
- Step 1: Write the proportion equation
1,058,489,636.79 : 1,460,716,909.80 = 588,580,868.68 : x - Step 2: Convert to fraction form
1,058,489,636.79/1,460,716,909.80 = 588,580,868.68/x - Step 3: Cross multiply
1,058,489,636.79x = 1,460,716,909.80 × 588,580,868.68 - Step 4: Simplify right side
1,058,489,636.79x = 859,750,027,659,760,896 - Step 5: Solve for x
x = 859,750,027,659,760,896/1,058,489,636.79 - Step 6: Final answer
x = 812,242,272.17
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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.