Finding the Fourth Proportional to 15,778,590,628.96, 21,774,807,537.68 and 9,004,274,336.79
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Solution
The fourth proportional to 15,778,590,628.96, 21,774,807,537.68 and 9,004,274,336.79 is: 12,426,099,726.56
Step by Step Solution
- Step 1: Write the proportion equation
15,778,590,628.96 : 21,774,807,537.68 = 9,004,274,336.79 : x - Step 2: Convert to fraction form
15,778,590,628.96/21,774,807,537.68 = 9,004,274,336.79/x - Step 3: Cross multiply
15,778,590,628.96x = 21,774,807,537.68 × 9,004,274,336.79 - Step 4: Simplify right side
15,778,590,628.96x = 196,066,340,700,073,492,480 - Step 5: Solve for x
x = 196,066,340,700,073,492,480/15,778,590,628.96 - Step 6: Final answer
x = 12,426,099,726.56
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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.