Finding the Fourth Proportional to 1,203,391,645.56, 1,660,069,289.88 and 785,948,283
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Solution
The fourth proportional to 1,203,391,645.56, 1,660,069,289.88 and 785,948,283 is: 1,084,209,461.53
Step by Step Solution
- Step 1: Write the proportion equation
1,203,391,645.56 : 1,660,069,289.88 = 785,948,283 : x - Step 2: Convert to fraction form
1,203,391,645.56/1,660,069,289.88 = 785,948,283/x - Step 3: Cross multiply
1,203,391,645.56x = 1,660,069,289.88 × 785,948,283 - Step 4: Simplify right side
1,203,391,645.56x = 1,304,728,608,042,215,424 - Step 5: Solve for x
x = 1,304,728,608,042,215,424/1,203,391,645.56 - Step 6: Final answer
x = 1,084,209,461.53
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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.