Finding the Fourth Proportional to 399,528,040.60, 599,292,060.90 and 126,926,363.80
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Solution
The fourth proportional to 399,528,040.60, 599,292,060.90 and 126,926,363.80 is: 190,389,545.70
Step by Step Solution
- Step 1: Write the proportion equation
399,528,040.60 : 599,292,060.90 = 126,926,363.80 : x - Step 2: Convert to fraction form
399,528,040.60/599,292,060.90 = 126,926,363.80/x - Step 3: Cross multiply
399,528,040.60x = 599,292,060.90 × 126,926,363.80 - Step 4: Simplify right side
399,528,040.60x = 76,065,962,144,245,152 - Step 5: Solve for x
x = 76,065,962,144,245,152/399,528,040.60 - Step 6: Final answer
x = 190,389,545.70
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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.