Finding the Fourth Proportional to 766,729,545.60, 1,149,310,497.60 and 377,954,428.80
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Solution
The fourth proportional to 766,729,545.60, 1,149,310,497.60 and 377,954,428.80 is: 566,545,263.75
Step by Step Solution
- Step 1: Write the proportion equation
766,729,545.60 : 1,149,310,497.60 = 377,954,428.80 : x - Step 2: Convert to fraction form
766,729,545.60/1,149,310,497.60 = 377,954,428.80/x - Step 3: Cross multiply
766,729,545.60x = 1,149,310,497.60 × 377,954,428.80 - Step 4: Simplify right side
766,729,545.60x = 434,386,992,634,251,776 - Step 5: Solve for x
x = 434,386,992,634,251,776/766,729,545.60 - Step 6: Final answer
x = 566,545,263.75
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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.