Finding the Fourth Proportional to 871,325,911.24, 1,202,394,677.46 and 474,840,387.76
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Solution
The fourth proportional to 871,325,911.24, 1,202,394,677.46 and 474,840,387.76 is: 655,260,617.78
Step by Step Solution
- Step 1: Write the proportion equation
871,325,911.24 : 1,202,394,677.46 = 474,840,387.76 : x - Step 2: Convert to fraction form
871,325,911.24/1,202,394,677.46 = 474,840,387.76/x - Step 3: Cross multiply
871,325,911.24x = 1,202,394,677.46 × 474,840,387.76 - Step 4: Simplify right side
871,325,911.24x = 570,945,554,885,666,560 - Step 5: Solve for x
x = 570,945,554,885,666,560/871,325,911.24 - Step 6: Final answer
x = 655,260,617.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.