Finding the Fourth Proportional to 855,970,461.02, 1,283,550,936.14 and 331,585,160.42
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Solution
The fourth proportional to 855,970,461.02, 1,283,550,936.14 and 331,585,160.42 is: 497,220,946.81
Step by Step Solution
- Step 1: Write the proportion equation
855,970,461.02 : 1,283,550,936.14 = 331,585,160.42 : x - Step 2: Convert to fraction form
855,970,461.02/1,283,550,936.14 = 331,585,160.42/x - Step 3: Cross multiply
855,970,461.02x = 1,283,550,936.14 × 331,585,160.42 - Step 4: Simplify right side
855,970,461.02x = 425,606,443,067,223,104 - Step 5: Solve for x
x = 425,606,443,067,223,104/855,970,461.02 - Step 6: Final answer
x = 497,220,946.81
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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.