Finding the Fourth Proportional to 331,899,560.40, 458,009,387.91 and 183,217,489.95
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Solution
The fourth proportional to 331,899,560.40, 458,009,387.91 and 183,217,489.95 is: 252,833,508.80
Step by Step Solution
- Step 1: Write the proportion equation
331,899,560.40 : 458,009,387.91 = 183,217,489.95 : x - Step 2: Convert to fraction form
331,899,560.40/458,009,387.91 = 183,217,489.95/x - Step 3: Cross multiply
331,899,560.40x = 458,009,387.91 × 183,217,489.95 - Step 4: Simplify right side
331,899,560.40x = 83,915,330,426,406,080 - Step 5: Solve for x
x = 83,915,330,426,406,080/331,899,560.40 - Step 6: Final answer
x = 252,833,508.80
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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.