Finding the Fourth Proportional to 562,464,104.20, 843,696,156.30 and 239,305,985.80
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Solution
The fourth proportional to 562,464,104.20, 843,696,156.30 and 239,305,985.80 is: 358,958,978.70
Step by Step Solution
- Step 1: Write the proportion equation
562,464,104.20 : 843,696,156.30 = 239,305,985.80 : x - Step 2: Convert to fraction form
562,464,104.20/843,696,156.30 = 239,305,985.80/x - Step 3: Cross multiply
562,464,104.20x = 843,696,156.30 × 239,305,985.80 - Step 4: Simplify right side
562,464,104.20x = 201,901,540,399,042,368 - Step 5: Solve for x
x = 201,901,540,399,042,368/562,464,104.20 - Step 6: Final answer
x = 358,958,978.70
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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.