Finding the Fourth Proportional to 2,390,156,430.32, 3,585,241,371.54 and 916,747,883.12
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Solution
The fourth proportional to 2,390,156,430.32, 3,585,241,371.54 and 916,747,883.12 is: 1,375,124,404.47
Step by Step Solution
- Step 1: Write the proportion equation
2,390,156,430.32 : 3,585,241,371.54 = 916,747,883.12 : x - Step 2: Convert to fraction form
2,390,156,430.32/3,585,241,371.54 = 916,747,883.12/x - Step 3: Cross multiply
2,390,156,430.32x = 3,585,241,371.54 × 916,747,883.12 - Step 4: Simplify right side
2,390,156,430.32x = 3,286,762,437,833,540,608 - Step 5: Solve for x
x = 3,286,762,437,833,540,608/2,390,156,430.32 - Step 6: Final answer
x = 1,375,124,404.47
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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.