Finding the Fourth Proportional to 608,971,403.08, 840,381,354.48 and 330,512,930.56
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Solution
The fourth proportional to 608,971,403.08, 840,381,354.48 and 330,512,930.56 is: 456,108,288.26
Step by Step Solution
- Step 1: Write the proportion equation
608,971,403.08 : 840,381,354.48 = 330,512,930.56 : x - Step 2: Convert to fraction form
608,971,403.08/840,381,354.48 = 330,512,930.56/x - Step 3: Cross multiply
608,971,403.08x = 840,381,354.48 × 330,512,930.56 - Step 4: Simplify right side
608,971,403.08x = 277,756,904,257,167,008 - Step 5: Solve for x
x = 277,756,904,257,167,008/608,971,403.08 - Step 6: Final answer
x = 456,108,288.26
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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.