Finding the Fourth Proportional to 3,779,136,913.60, 5,668,705,370.40 and 2,799,584,862.40
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Solution
The fourth proportional to 3,779,136,913.60, 5,668,705,370.40 and 2,799,584,862.40 is: 4,199,377,293.60
Step by Step Solution
- Step 1: Write the proportion equation
3,779,136,913.60 : 5,668,705,370.40 = 2,799,584,862.40 : x - Step 2: Convert to fraction form
3,779,136,913.60/5,668,705,370.40 = 2,799,584,862.40/x - Step 3: Cross multiply
3,779,136,913.60x = 5,668,705,370.40 × 2,799,584,862.40 - Step 4: Simplify right side
3,779,136,913.60x = 15,870,021,744,377,423,872 - Step 5: Solve for x
x = 15,870,021,744,377,423,872/3,779,136,913.60 - Step 6: Final answer
x = 4,199,377,293.60
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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.