Finding the Fourth Proportional to 2,162,333,674.77, 2,984,242,880.07 and 1,315,621,107.96
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Solution
The fourth proportional to 2,162,333,674.77, 2,984,242,880.07 and 1,315,621,107.96 is: 1,815,692,448.45
Step by Step Solution
- Step 1: Write the proportion equation
2,162,333,674.77 : 2,984,242,880.07 = 1,315,621,107.96 : x - Step 2: Convert to fraction form
2,162,333,674.77/2,984,242,880.07 = 1,315,621,107.96/x - Step 3: Cross multiply
2,162,333,674.77x = 2,984,242,880.07 × 1,315,621,107.96 - Step 4: Simplify right side
2,162,333,674.77x = 3,926,132,924,299,435,008 - Step 5: Solve for x
x = 3,926,132,924,299,435,008/2,162,333,674.77 - Step 6: Final answer
x = 1,815,692,448.45
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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.