Finding the Fourth Proportional to 2,119,928,368.53, 2,925,522,798.09 and 1,167,397,684.08
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Solution
The fourth proportional to 2,119,928,368.53, 2,925,522,798.09 and 1,167,397,684.08 is: 1,611,020,725.94
Step by Step Solution
- Step 1: Write the proportion equation
2,119,928,368.53 : 2,925,522,798.09 = 1,167,397,684.08 : x - Step 2: Convert to fraction form
2,119,928,368.53/2,925,522,798.09 = 1,167,397,684.08/x - Step 3: Cross multiply
2,119,928,368.53x = 2,925,522,798.09 × 1,167,397,684.08 - Step 4: Simplify right side
2,119,928,368.53x = 3,415,248,539,213,507,584 - Step 5: Solve for x
x = 3,415,248,539,213,507,584/2,119,928,368.53 - Step 6: Final answer
x = 1,611,020,725.94
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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.