Finding the Fourth Proportional to 654,681,325.80, 982,021,988.70 and 170,007,133.80
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Solution
The fourth proportional to 654,681,325.80, 982,021,988.70 and 170,007,133.80 is: 255,010,700.70
Step by Step Solution
- Step 1: Write the proportion equation
654,681,325.80 : 982,021,988.70 = 170,007,133.80 : x - Step 2: Convert to fraction form
654,681,325.80/982,021,988.70 = 170,007,133.80/x - Step 3: Cross multiply
654,681,325.80x = 982,021,988.70 × 170,007,133.80 - Step 4: Simplify right side
654,681,325.80x = 166,950,743,627,463,008 - Step 5: Solve for x
x = 166,950,743,627,463,008/654,681,325.80 - Step 6: Final answer
x = 255,010,700.70
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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.