Finding the Fourth Proportional to 2,620,154,506,764.60, 3,930,429,372,152.60 and 782,148,069,201.44
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Solution
The fourth proportional to 2,620,154,506,764.60, 3,930,429,372,152.60 and 782,148,069,201.44 is: 1,173,281,093,395.45
Step by Step Solution
- Step 1: Write the proportion equation
2,620,154,506,764.60 : 3,930,429,372,152.60 = 782,148,069,201.44 : x - Step 2: Convert to fraction form
2,620,154,506,764.60/3,930,429,372,152.60 = 782,148,069,201.44/x - Step 3: Cross multiply
2,620,154,506,764.60x = 3,930,429,372,152.60 × 782,148,069,201.44 - Step 4: Simplify right side
2,620,154,506,764.60x = 3,074,177,744,561,783,965,745,152 - Step 5: Solve for x
x = 3,074,177,744,561,783,965,745,152/2,620,154,506,764.60 - Step 6: Final answer
x = 1,173,281,093,395.45
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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.