Finding the Fourth Proportional to 915,830,544.63, 1,263,503,775.16 and 539,256,987.88
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Solution
The fourth proportional to 915,830,544.63, 1,263,503,775.16 and 539,256,987.88 is: 743,973,046.06
Step by Step Solution
- Step 1: Write the proportion equation
915,830,544.63 : 1,263,503,775.16 = 539,256,987.88 : x - Step 2: Convert to fraction form
915,830,544.63/1,263,503,775.16 = 539,256,987.88/x - Step 3: Cross multiply
915,830,544.63x = 1,263,503,775.16 × 539,256,987.88 - Step 4: Simplify right side
915,830,544.63x = 681,353,239,958,776,576 - Step 5: Solve for x
x = 681,353,239,958,776,576/915,830,544.63 - Step 6: Final answer
x = 743,973,046.06
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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.