Finding the Fourth Proportional to 710,014,226.48, 979,800,837.24 and 396,751,014.62
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Solution
The fourth proportional to 710,014,226.48, 979,800,837.24 and 396,751,014.62 is: 547,505,897.49
Step by Step Solution
- Step 1: Write the proportion equation
710,014,226.48 : 979,800,837.24 = 396,751,014.62 : x - Step 2: Convert to fraction form
710,014,226.48/979,800,837.24 = 396,751,014.62/x - Step 3: Cross multiply
710,014,226.48x = 979,800,837.24 × 396,751,014.62 - Step 4: Simplify right side
710,014,226.48x = 388,736,976,300,495,488 - Step 5: Solve for x
x = 388,736,976,300,495,488/710,014,226.48 - Step 6: Final answer
x = 547,505,897.49
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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.