Finding the Fourth Proportional to 3,058,019,699,276.80, 4,225,587,370,770 and 2,177,565,902,402.20
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Solution
The fourth proportional to 3,058,019,699,276.80, 4,225,587,370,770 and 2,177,565,902,402.20 is: 3,008,971,779,477.48
Step by Step Solution
- Step 1: Write the proportion equation
3,058,019,699,276.80 : 4,225,587,370,770 = 2,177,565,902,402.20 : x - Step 2: Convert to fraction form
3,058,019,699,276.80/4,225,587,370,770 = 2,177,565,902,402.20/x - Step 3: Cross multiply
3,058,019,699,276.80x = 4,225,587,370,770 × 2,177,565,902,402.20 - Step 4: Simplify right side
3,058,019,699,276.80x = 9,201,494,976,210,114,424,340,480 - Step 5: Solve for x
x = 9,201,494,976,210,114,424,340,480/3,058,019,699,276.80 - Step 6: Final answer
x = 3,008,971,779,477.48
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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.