Finding the Fourth Proportional to 886,464,363.80, 1,329,696,545.70 and 240,232,107.80
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Solution
The fourth proportional to 886,464,363.80, 1,329,696,545.70 and 240,232,107.80 is: 360,348,161.70
Step by Step Solution
- Step 1: Write the proportion equation
886,464,363.80 : 1,329,696,545.70 = 240,232,107.80 : x - Step 2: Convert to fraction form
886,464,363.80/1,329,696,545.70 = 240,232,107.80/x - Step 3: Cross multiply
886,464,363.80x = 1,329,696,545.70 × 240,232,107.80 - Step 4: Simplify right side
886,464,363.80x = 319,435,803,907,890,048 - Step 5: Solve for x
x = 319,435,803,907,890,048/886,464,363.80 - Step 6: Final answer
x = 360,348,161.70
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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.