Finding the Fourth Proportional to 453,276,352.80, 679,914,529.20 and 354,640,903.20
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Solution
The fourth proportional to 453,276,352.80, 679,914,529.20 and 354,640,903.20 is: 531,961,354.80
Step by Step Solution
- Step 1: Write the proportion equation
453,276,352.80 : 679,914,529.20 = 354,640,903.20 : x - Step 2: Convert to fraction form
453,276,352.80/679,914,529.20 = 354,640,903.20/x - Step 3: Cross multiply
453,276,352.80x = 679,914,529.20 × 354,640,903.20 - Step 4: Simplify right side
453,276,352.80x = 241,125,502,734,290,784 - Step 5: Solve for x
x = 241,125,502,734,290,784/453,276,352.80 - Step 6: Final answer
x = 531,961,354.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.