Finding the Fourth Proportional to 3,117,504,292.36, 4,302,121,637.63 and 1,688,539,848.41
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Solution
The fourth proportional to 3,117,504,292.36, 4,302,121,637.63 and 1,688,539,848.41 is: 2,330,166,420.51
Step by Step Solution
- Step 1: Write the proportion equation
3,117,504,292.36 : 4,302,121,637.63 = 1,688,539,848.41 : x - Step 2: Convert to fraction form
3,117,504,292.36/4,302,121,637.63 = 1,688,539,848.41/x - Step 3: Cross multiply
3,117,504,292.36x = 4,302,121,637.63 × 1,688,539,848.41 - Step 4: Simplify right side
3,117,504,292.36x = 7,264,303,817,860,116,480 - Step 5: Solve for x
x = 7,264,303,817,860,116,480/3,117,504,292.36 - Step 6: Final answer
x = 2,330,166,420.51
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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.