Finding the Fourth Proportional to 2,880,971,038.14, 3,973,546,484.82 and 2,479,767,626.76
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Solution
The fourth proportional to 2,880,971,038.14, 3,973,546,484.82 and 2,479,767,626.76 is: 3,420,191,250.12
Step by Step Solution
- Step 1: Write the proportion equation
2,880,971,038.14 : 3,973,546,484.82 = 2,479,767,626.76 : x - Step 2: Convert to fraction form
2,880,971,038.14/3,973,546,484.82 = 2,479,767,626.76/x - Step 3: Cross multiply
2,880,971,038.14x = 3,973,546,484.82 × 2,479,767,626.76 - Step 4: Simplify right side
2,880,971,038.14x = 9,853,471,936,482,633,728 - Step 5: Solve for x
x = 9,853,471,936,482,633,728/2,880,971,038.14 - Step 6: Final answer
x = 3,420,191,250.12
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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.