Finding the Fourth Proportional to 1,417,181,615.40, 2,125,772,423.10 and 1,223,311,938.60
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Solution
The fourth proportional to 1,417,181,615.40, 2,125,772,423.10 and 1,223,311,938.60 is: 1,834,967,907.90
Step by Step Solution
- Step 1: Write the proportion equation
1,417,181,615.40 : 2,125,772,423.10 = 1,223,311,938.60 : x - Step 2: Convert to fraction form
1,417,181,615.40/2,125,772,423.10 = 1,223,311,938.60/x - Step 3: Cross multiply
1,417,181,615.40x = 2,125,772,423.10 × 1,223,311,938.60 - Step 4: Simplify right side
1,417,181,615.40x = 2,600,482,783,924,879,872 - Step 5: Solve for x
x = 2,600,482,783,924,879,872/1,417,181,615.40 - Step 6: Final answer
x = 1,834,967,907.90
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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.