Finding the Fourth Proportional to 2,065,634,188.92, 2,850,634,922.94 and 1,125,897,697.44
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Solution
The fourth proportional to 2,065,634,188.92, 2,850,634,922.94 and 1,125,897,697.44 is: 1,553,771,385.66
Step by Step Solution
- Step 1: Write the proportion equation
2,065,634,188.92 : 2,850,634,922.94 = 1,125,897,697.44 : x - Step 2: Convert to fraction form
2,065,634,188.92/2,850,634,922.94 = 1,125,897,697.44/x - Step 3: Cross multiply
2,065,634,188.92x = 2,850,634,922.94 × 1,125,897,697.44 - Step 4: Simplify right side
2,065,634,188.92x = 3,209,523,295,980,197,888 - Step 5: Solve for x
x = 3,209,523,295,980,197,888/2,065,634,188.92 - Step 6: Final answer
x = 1,553,771,385.66
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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.