Finding the Fourth Proportional to 871,354,442.36, 1,202,473,202.55 and 495,031,679.96
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Solution
The fourth proportional to 871,354,442.36, 1,202,473,202.55 and 495,031,679.96 is: 683,146,031.77
Step by Step Solution
- Step 1: Write the proportion equation
871,354,442.36 : 1,202,473,202.55 = 495,031,679.96 : x - Step 2: Convert to fraction form
871,354,442.36/1,202,473,202.55 = 495,031,679.96/x - Step 3: Cross multiply
871,354,442.36x = 1,202,473,202.55 × 495,031,679.96 - Step 4: Simplify right side
871,354,442.36x = 595,262,329,565,585,920 - Step 5: Solve for x
x = 595,262,329,565,585,920/871,354,442.36 - Step 6: Final answer
x = 683,146,031.77
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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.