Finding the Fourth Proportional to 461,010,959.49, 636,197,027.75 and 249,317,785.52
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Solution
The fourth proportional to 461,010,959.49, 636,197,027.75 and 249,317,785.52 is: 344,059,573.52
Step by Step Solution
- Step 1: Write the proportion equation
461,010,959.49 : 636,197,027.75 = 249,317,785.52 : x - Step 2: Convert to fraction form
461,010,959.49/636,197,027.75 = 249,317,785.52/x - Step 3: Cross multiply
461,010,959.49x = 636,197,027.75 × 249,317,785.52 - Step 4: Simplify right side
461,010,959.49x = 158,615,234,108,608,416 - Step 5: Solve for x
x = 158,615,234,108,608,416/461,010,959.49 - Step 6: Final answer
x = 344,059,573.52
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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.