Finding the Fourth Proportional to 791,954,203.14, 1,187,976,701.70 and 209,673,318.12
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Solution
The fourth proportional to 791,954,203.14, 1,187,976,701.70 and 209,673,318.12 is: 314,521,996.23
Step by Step Solution
- Step 1: Write the proportion equation
791,954,203.14 : 1,187,976,701.70 = 209,673,318.12 : x - Step 2: Convert to fraction form
791,954,203.14/1,187,976,701.70 = 209,673,318.12/x - Step 3: Cross multiply
791,954,203.14x = 1,187,976,701.70 × 209,673,318.12 - Step 4: Simplify right side
791,954,203.14x = 249,087,016,894,692,448 - Step 5: Solve for x
x = 249,087,016,894,692,448/791,954,203.14 - Step 6: Final answer
x = 314,521,996.23
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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.