Finding the Fourth Proportional to 1,379,856,555,465.60, 2,069,784,833,198.40 and 843,497,387,875.20
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Solution
The fourth proportional to 1,379,856,555,465.60, 2,069,784,833,198.40 and 843,497,387,875.20 is: 1,265,246,081,812.80
Step by Step Solution
- Step 1: Write the proportion equation
1,379,856,555,465.60 : 2,069,784,833,198.40 = 843,497,387,875.20 : x - Step 2: Convert to fraction form
1,379,856,555,465.60/2,069,784,833,198.40 = 843,497,387,875.20/x - Step 3: Cross multiply
1,379,856,555,465.60x = 2,069,784,833,198.40 × 843,497,387,875.20 - Step 4: Simplify right side
1,379,856,555,465.60x = 1,745,858,100,266,556,888,973,312 - Step 5: Solve for x
x = 1,745,858,100,266,556,888,973,312/1,379,856,555,465.60 - Step 6: Final answer
x = 1,265,246,081,812.80
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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.