Finding the Fourth Proportional to 2,278,880,830.20, 3,417,842,941.92 and 642,722,794.68
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Solution
The fourth proportional to 2,278,880,830.20, 3,417,842,941.92 and 642,722,794.68 is: 963,949,294.01
Step by Step Solution
- Step 1: Write the proportion equation
2,278,880,830.20 : 3,417,842,941.92 = 642,722,794.68 : x - Step 2: Convert to fraction form
2,278,880,830.20/3,417,842,941.92 = 642,722,794.68/x - Step 3: Cross multiply
2,278,880,830.20x = 3,417,842,941.92 × 642,722,794.68 - Step 4: Simplify right side
2,278,880,830.20x = 2,196,725,567,408,135,168 - Step 5: Solve for x
x = 2,196,725,567,408,135,168/2,278,880,830.20 - Step 6: Final answer
x = 963,949,294.01
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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.