Finding the Fourth Proportional to 802,281,712.80, 1,203,422,569.20 and 733,406,959.20
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Solution
The fourth proportional to 802,281,712.80, 1,203,422,569.20 and 733,406,959.20 is: 1,100,110,438.80
Step by Step Solution
- Step 1: Write the proportion equation
802,281,712.80 : 1,203,422,569.20 = 733,406,959.20 : x - Step 2: Convert to fraction form
802,281,712.80/1,203,422,569.20 = 733,406,959.20/x - Step 3: Cross multiply
802,281,712.80x = 1,203,422,569.20 × 733,406,959.20 - Step 4: Simplify right side
802,281,712.80x = 882,598,487,109,623,680 - Step 5: Solve for x
x = 882,598,487,109,623,680/802,281,712.80 - Step 6: Final answer
x = 1,100,110,438.80
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1.5x scale
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.