Finding the Fourth Proportional to 559,264,497.12, 772,115,697 and 497,213,149.68
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Solution
The fourth proportional to 559,264,497.12, 772,115,697 and 497,213,149.68 is: 686,448,146.81
Step by Step Solution
- Step 1: Write the proportion equation
559,264,497.12 : 772,115,697 = 497,213,149.68 : x - Step 2: Convert to fraction form
559,264,497.12/772,115,697 = 497,213,149.68/x - Step 3: Cross multiply
559,264,497.12x = 772,115,697 × 497,213,149.68 - Step 4: Simplify right side
559,264,497.12x = 383,906,077,622,738,560 - Step 5: Solve for x
x = 383,906,077,622,738,560/559,264,497.12 - Step 6: Final answer
x = 686,448,146.81
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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.