Finding the Fourth Proportional to 10,779,928,390.44, 16,155,438,861.99 and 8,389,766,044.47
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Solution
The fourth proportional to 10,779,928,390.44, 16,155,438,861.99 and 8,389,766,044.47 is: 12,573,400,071.75
Step by Step Solution
- Step 1: Write the proportion equation
10,779,928,390.44 : 16,155,438,861.99 = 8,389,766,044.47 : x - Step 2: Convert to fraction form
10,779,928,390.44/16,155,438,861.99 = 8,389,766,044.47/x - Step 3: Cross multiply
10,779,928,390.44x = 16,155,438,861.99 × 8,389,766,044.47 - Step 4: Simplify right side
10,779,928,390.44x = 135,540,352,397,834,764,288 - Step 5: Solve for x
x = 135,540,352,397,834,764,288/10,779,928,390.44 - Step 6: Final answer
x = 12,573,400,071.75
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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.