Finding the Fourth Proportional to 1,450,872,748.65, 2,176,309,122.98 and 360,355,816.65
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Solution
The fourth proportional to 1,450,872,748.65, 2,176,309,122.98 and 360,355,816.65 is: 540,533,724.98
Step by Step Solution
- Step 1: Write the proportion equation
1,450,872,748.65 : 2,176,309,122.98 = 360,355,816.65 : x - Step 2: Convert to fraction form
1,450,872,748.65/2,176,309,122.98 = 360,355,816.65/x - Step 3: Cross multiply
1,450,872,748.65x = 2,176,309,122.98 × 360,355,816.65 - Step 4: Simplify right side
1,450,872,748.65x = 784,245,651,292,501,376 - Step 5: Solve for x
x = 784,245,651,292,501,376/1,450,872,748.65 - Step 6: Final answer
x = 540,533,724.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.