Finding the Fourth Proportional to 993,713,206.96, 1,371,306,434.10 and 541,595,246.14
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Solution
The fourth proportional to 993,713,206.96, 1,371,306,434.10 and 541,595,246.14 is: 747,391,742.92
Step by Step Solution
- Step 1: Write the proportion equation
993,713,206.96 : 1,371,306,434.10 = 541,595,246.14 : x - Step 2: Convert to fraction form
993,713,206.96/1,371,306,434.10 = 541,595,246.14/x - Step 3: Cross multiply
993,713,206.96x = 1,371,306,434.10 × 541,595,246.14 - Step 4: Simplify right side
993,713,206.96x = 742,693,045,709,755,136 - Step 5: Solve for x
x = 742,693,045,709,755,136/993,713,206.96 - Step 6: Final answer
x = 747,391,742.92
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1.5x scale
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.