Finding the Fourth Proportional to 885,744,814.30, 1,328,617,221.99 and 885,744,814.30
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Solution
The fourth proportional to 885,744,814.30, 1,328,617,221.99 and 885,744,814.30 is: 1,328,617,221.99
Step by Step Solution
- Step 1: Write the proportion equation
885,744,814.30 : 1,328,617,221.99 = 885,744,814.30 : x - Step 2: Convert to fraction form
885,744,814.30/1,328,617,221.99 = 885,744,814.30/x - Step 3: Cross multiply
885,744,814.30x = 1,328,617,221.99 × 885,744,814.30 - Step 4: Simplify right side
885,744,814.30x = 1,176,815,814,567,314,432 - Step 5: Solve for x
x = 1,176,815,814,567,314,432/885,744,814.30 - Step 6: Final answer
x = 1,328,617,221.99
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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.