Finding the Fourth Proportional to 31,271,643,746.83, 43,154,896,178.28 and 16,998,471,370.99
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Solution
The fourth proportional to 31,271,643,746.83, 43,154,896,178.28 and 16,998,471,370.99 is: 23,457,905,607.50
Step by Step Solution
- Step 1: Write the proportion equation
31,271,643,746.83 : 43,154,896,178.28 = 16,998,471,370.99 : x - Step 2: Convert to fraction form
31,271,643,746.83/43,154,896,178.28 = 16,998,471,370.99/x - Step 3: Cross multiply
31,271,643,746.83x = 43,154,896,178.28 × 16,998,471,370.99 - Step 4: Simplify right side
31,271,643,746.83x = 733,567,267,204,538,302,464 - Step 5: Solve for x
x = 733,567,267,204,538,302,464/31,271,643,746.83 - Step 6: Final answer
x = 23,457,905,607.50
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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.