Finding the Fourth Proportional to 670,449,088.17, 925,212,398.94 and 369,027,955.26
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Solution
The fourth proportional to 670,449,088.17, 925,212,398.94 and 369,027,955.26 is: 509,254,536.68
Step by Step Solution
- Step 1: Write the proportion equation
670,449,088.17 : 925,212,398.94 = 369,027,955.26 : x - Step 2: Convert to fraction form
670,449,088.17/925,212,398.94 = 369,027,955.26/x - Step 3: Cross multiply
670,449,088.17x = 925,212,398.94 × 369,027,955.26 - Step 4: Simplify right side
670,449,088.17x = 341,429,239,762,027,584 - Step 5: Solve for x
x = 341,429,239,762,027,584/670,449,088.17 - Step 6: Final answer
x = 509,254,536.68
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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.