Finding the Fourth Proportional to 539,056,929.26, 743,898,556.62 and 291,538,283.52
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Solution
The fourth proportional to 539,056,929.26, 743,898,556.62 and 291,538,283.52 is: 402,322,828.14
Step by Step Solution
- Step 1: Write the proportion equation
539,056,929.26 : 743,898,556.62 = 291,538,283.52 : x - Step 2: Convert to fraction form
539,056,929.26/743,898,556.62 = 291,538,283.52/x - Step 3: Cross multiply
539,056,929.26x = 743,898,556.62 × 291,538,283.52 - Step 4: Simplify right side
539,056,929.26x = 216,874,908,310,000,320 - Step 5: Solve for x
x = 216,874,908,310,000,320/539,056,929.26 - Step 6: Final answer
x = 402,322,828.14
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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.