Finding the Fourth Proportional to 1,092,276,768.48, 1,507,489,407.84 and 616,064,888.40
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Solution
The fourth proportional to 1,092,276,768.48, 1,507,489,407.84 and 616,064,888.40 is: 850,252,720.38
Step by Step Solution
- Step 1: Write the proportion equation
1,092,276,768.48 : 1,507,489,407.84 = 616,064,888.40 : x - Step 2: Convert to fraction form
1,092,276,768.48/1,507,489,407.84 = 616,064,888.40/x - Step 3: Cross multiply
1,092,276,768.48x = 1,507,489,407.84 × 616,064,888.40 - Step 4: Simplify right side
1,092,276,768.48x = 928,711,293,805,131,648 - Step 5: Solve for x
x = 928,711,293,805,131,648/1,092,276,768.48 - Step 6: Final answer
x = 850,252,720.38
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1.5x scale
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.