Finding the Fourth Proportional to 1,102,811,101.60, 1,521,879,327.12 and 607,773,817.12
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Solution
The fourth proportional to 1,102,811,101.60, 1,521,879,327.12 and 607,773,817.12 is: 838,727,871.43
Step by Step Solution
- Step 1: Write the proportion equation
1,102,811,101.60 : 1,521,879,327.12 = 607,773,817.12 : x - Step 2: Convert to fraction form
1,102,811,101.60/1,521,879,327.12 = 607,773,817.12/x - Step 3: Cross multiply
1,102,811,101.60x = 1,521,879,327.12 × 607,773,817.12 - Step 4: Simplify right side
1,102,811,101.60x = 924,958,407,839,739,520 - Step 5: Solve for x
x = 924,958,407,839,739,520/1,102,811,101.60 - Step 6: Final answer
x = 838,727,871.43
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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.