Finding the Fourth Proportional to 1,210,434,748.40, 1,815,652,122.60 and 797,186,226.80
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Solution
The fourth proportional to 1,210,434,748.40, 1,815,652,122.60 and 797,186,226.80 is: 1,195,779,340.20
Step by Step Solution
- Step 1: Write the proportion equation
1,210,434,748.40 : 1,815,652,122.60 = 797,186,226.80 : x - Step 2: Convert to fraction form
1,210,434,748.40/1,815,652,122.60 = 797,186,226.80/x - Step 3: Cross multiply
1,210,434,748.40x = 1,815,652,122.60 × 797,186,226.80 - Step 4: Simplify right side
1,210,434,748.40x = 1,447,412,864,796,904,960 - Step 5: Solve for x
x = 1,447,412,864,796,904,960/1,210,434,748.40 - Step 6: Final answer
x = 1,195,779,340.20
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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.