Finding the Fourth Proportional to 771,419,905.06, 1,064,541,362.88 and 453,900,716.68
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Solution
The fourth proportional to 771,419,905.06, 1,064,541,362.88 and 453,900,716.68 is: 626,372,335.45
Step by Step Solution
- Step 1: Write the proportion equation
771,419,905.06 : 1,064,541,362.88 = 453,900,716.68 : x - Step 2: Convert to fraction form
771,419,905.06/1,064,541,362.88 = 453,900,716.68/x - Step 3: Cross multiply
771,419,905.06x = 1,064,541,362.88 × 453,900,716.68 - Step 4: Simplify right side
771,419,905.06x = 483,196,087,546,735,936 - Step 5: Solve for x
x = 483,196,087,546,735,936/771,419,905.06 - Step 6: Final answer
x = 626,372,335.45
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1.5x scale
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.