Finding the Fourth Proportional to 746,496,779.20, 1,119,745,168.80 and 675,071,108.80
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Solution
The fourth proportional to 746,496,779.20, 1,119,745,168.80 and 675,071,108.80 is: 1,012,606,663.20
Step by Step Solution
- Step 1: Write the proportion equation
746,496,779.20 : 1,119,745,168.80 = 675,071,108.80 : x - Step 2: Convert to fraction form
746,496,779.20/1,119,745,168.80 = 675,071,108.80/x - Step 3: Cross multiply
746,496,779.20x = 1,119,745,168.80 × 675,071,108.80 - Step 4: Simplify right side
746,496,779.20x = 755,907,612,675,259,136 - Step 5: Solve for x
x = 755,907,612,675,259,136/746,496,779.20 - Step 6: Final answer
x = 1,012,606,663.20
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1.5x scale
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.