Finding the Fourth Proportional to 606,528,715.80, 909,793,073.70 and 485,596,363.80
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Solution
The fourth proportional to 606,528,715.80, 909,793,073.70 and 485,596,363.80 is: 728,394,545.70
Step by Step Solution
- Step 1: Write the proportion equation
606,528,715.80 : 909,793,073.70 = 485,596,363.80 : x - Step 2: Convert to fraction form
606,528,715.80/909,793,073.70 = 485,596,363.80/x - Step 3: Cross multiply
606,528,715.80x = 909,793,073.70 × 485,596,363.80 - Step 4: Simplify right side
606,528,715.80x = 441,792,208,399,145,472 - Step 5: Solve for x
x = 441,792,208,399,145,472/606,528,715.80 - Step 6: Final answer
x = 728,394,545.70
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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.