Finding the Fourth Proportional to 871,344,140.24, 1,202,455,102.92 and 474,867,223.76
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Solution
The fourth proportional to 871,344,140.24, 1,202,455,102.92 and 474,867,223.76 is: 655,316,872.00
Step by Step Solution
- Step 1: Write the proportion equation
871,344,140.24 : 1,202,455,102.92 = 474,867,223.76 : x - Step 2: Convert to fraction form
871,344,140.24/1,202,455,102.92 = 474,867,223.76/x - Step 3: Cross multiply
871,344,140.24x = 1,202,455,102.92 × 474,867,223.76 - Step 4: Simplify right side
871,344,140.24x = 571,006,516,419,665,472 - Step 5: Solve for x
x = 571,006,516,419,665,472/871,344,140.24 - Step 6: Final answer
x = 655,316,872.00
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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.