Finding the Fourth Proportional to 2,390,156,407.92, 3,585,241,337.97 and 916,747,860.69
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Solution
The fourth proportional to 2,390,156,407.92, 3,585,241,337.97 and 916,747,860.69 is: 1,375,124,370.84
Step by Step Solution
- Step 1: Write the proportion equation
2,390,156,407.92 : 3,585,241,337.97 = 916,747,860.69 : x - Step 2: Convert to fraction form
2,390,156,407.92/3,585,241,337.97 = 916,747,860.69/x - Step 3: Cross multiply
2,390,156,407.92x = 3,585,241,337.97 × 916,747,860.69 - Step 4: Simplify right side
2,390,156,407.92x = 3,286,762,326,641,350,656 - Step 5: Solve for x
x = 3,286,762,326,641,350,656/2,390,156,407.92 - Step 6: Final answer
x = 1,375,124,370.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.