Finding the Fourth Proportional to 1,293,202,264.80, 1,939,803,397.20 and 885,055,576.80
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Solution
The fourth proportional to 1,293,202,264.80, 1,939,803,397.20 and 885,055,576.80 is: 1,327,583,365.20
Step by Step Solution
- Step 1: Write the proportion equation
1,293,202,264.80 : 1,939,803,397.20 = 885,055,576.80 : x - Step 2: Convert to fraction form
1,293,202,264.80/1,939,803,397.20 = 885,055,576.80/x - Step 3: Cross multiply
1,293,202,264.80x = 1,939,803,397.20 × 885,055,576.80 - Step 4: Simplify right side
1,293,202,264.80x = 1,716,833,814,587,445,504 - Step 5: Solve for x
x = 1,716,833,814,587,445,504/1,293,202,264.80 - Step 6: Final answer
x = 1,327,583,365.20
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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.