Finding the Fourth Proportional to 10,521,427,011.74, 14,519,453,605.77 and 5,698,672,023.68
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Solution
The fourth proportional to 10,521,427,011.74, 14,519,453,605.77 and 5,698,672,023.68 is: 7,864,104,742.64
Step by Step Solution
- Step 1: Write the proportion equation
10,521,427,011.74 : 14,519,453,605.77 = 5,698,672,023.68 : x - Step 2: Convert to fraction form
10,521,427,011.74/14,519,453,605.77 = 5,698,672,023.68/x - Step 3: Cross multiply
10,521,427,011.74x = 14,519,453,605.77 × 5,698,672,023.68 - Step 4: Simplify right side
10,521,427,011.74x = 82,741,604,062,321,213,440 - Step 5: Solve for x
x = 82,741,604,062,321,213,440/10,521,427,011.74 - Step 6: Final answer
x = 7,864,104,742.64
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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.