Finding the Fourth Proportional to 3,540,259,908.42, 4,885,430,605.29 and 1,954,317,803.46
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Solution
The fourth proportional to 3,540,259,908.42, 4,885,430,605.29 and 1,954,317,803.46 is: 2,696,887,871.64
Step by Step Solution
- Step 1: Write the proportion equation
3,540,259,908.42 : 4,885,430,605.29 = 1,954,317,803.46 : x - Step 2: Convert to fraction form
3,540,259,908.42/4,885,430,605.29 = 1,954,317,803.46/x - Step 3: Cross multiply
3,540,259,908.42x = 4,885,430,605.29 × 1,954,317,803.46 - Step 4: Simplify right side
3,540,259,908.42x = 9,547,684,009,486,610,432 - Step 5: Solve for x
x = 9,547,684,009,486,610,432/3,540,259,908.42 - Step 6: Final answer
x = 2,696,887,871.64
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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.