Finding the Fourth Proportional to 1,380,522,922.36, 2,071,075,568.92 and 447,773,329.99
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Solution
The fourth proportional to 1,380,522,922.36, 2,071,075,568.92 and 447,773,329.99 is: 671,754,441.11
Step by Step Solution
- Step 1: Write the proportion equation
1,380,522,922.36 : 2,071,075,568.92 = 447,773,329.99 : x - Step 2: Convert to fraction form
1,380,522,922.36/2,071,075,568.92 = 447,773,329.99/x - Step 3: Cross multiply
1,380,522,922.36x = 2,071,075,568.92 × 447,773,329.99 - Step 4: Simplify right side
1,380,522,922.36x = 927,372,404,156,242,176 - Step 5: Solve for x
x = 927,372,404,156,242,176/1,380,522,922.36 - Step 6: Final answer
x = 671,754,441.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.