Finding the Fourth Proportional to 808,429,104.84, 1,115,638,837.24 and 446,334,731.96
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Solution
The fourth proportional to 808,429,104.84, 1,115,638,837.24 and 446,334,731.96 is: 615,945,614.03
Step by Step Solution
- Step 1: Write the proportion equation
808,429,104.84 : 1,115,638,837.24 = 446,334,731.96 : x - Step 2: Convert to fraction form
808,429,104.84/1,115,638,837.24 = 446,334,731.96/x - Step 3: Cross multiply
808,429,104.84x = 1,115,638,837.24 × 446,334,731.96 - Step 4: Simplify right side
808,429,104.84x = 497,948,361,383,681,472 - Step 5: Solve for x
x = 497,948,361,383,681,472/808,429,104.84 - Step 6: Final answer
x = 615,945,614.03
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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.