Finding the Fourth Proportional to 1,337,472,849.20, 2,005,537,427.40 and 609,639,249.20
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Solution
The fourth proportional to 1,337,472,849.20, 2,005,537,427.40 and 609,639,249.20 is: 914,152,636.60
Step by Step Solution
- Step 1: Write the proportion equation
1,337,472,849.20 : 2,005,537,427.40 = 609,639,249.20 : x - Step 2: Convert to fraction form
1,337,472,849.20/2,005,537,427.40 = 609,639,249.20/x - Step 3: Cross multiply
1,337,472,849.20x = 2,005,537,427.40 × 609,639,249.20 - Step 4: Simplify right side
1,337,472,849.20x = 1,222,654,331,482,635,776 - Step 5: Solve for x
x = 1,222,654,331,482,635,776/1,337,472,849.20 - Step 6: Final answer
x = 914,152,636.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.