Finding the Fourth Proportional to 2,639,430,860.70, 3,642,009,683.67 and 1,525,381,808.70
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Solution
The fourth proportional to 2,639,430,860.70, 3,642,009,683.67 and 1,525,381,808.70 is: 2,104,792,893.54
Step by Step Solution
- Step 1: Write the proportion equation
2,639,430,860.70 : 3,642,009,683.67 = 1,525,381,808.70 : x - Step 2: Convert to fraction form
2,639,430,860.70/3,642,009,683.67 = 1,525,381,808.70/x - Step 3: Cross multiply
2,639,430,860.70x = 3,642,009,683.67 × 1,525,381,808.70 - Step 4: Simplify right side
2,639,430,860.70x = 5,555,455,318,579,460,096 - Step 5: Solve for x
x = 5,555,455,318,579,460,096/2,639,430,860.70 - Step 6: Final answer
x = 2,104,792,893.54
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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.