Finding the Fourth Proportional to 1,353,228,350.09, 1,867,421,790.78 and 750,395,642.09
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Solution
The fourth proportional to 1,353,228,350.09, 1,867,421,790.78 and 750,395,642.09 is: 1,035,527,502.54
Step by Step Solution
- Step 1: Write the proportion equation
1,353,228,350.09 : 1,867,421,790.78 = 750,395,642.09 : x - Step 2: Convert to fraction form
1,353,228,350.09/1,867,421,790.78 = 750,395,642.09/x - Step 3: Cross multiply
1,353,228,350.09x = 1,867,421,790.78 × 750,395,642.09 - Step 4: Simplify right side
1,353,228,350.09x = 1,401,305,173,735,878,656 - Step 5: Solve for x
x = 1,401,305,173,735,878,656/1,353,228,350.09 - Step 6: Final answer
x = 1,035,527,502.54
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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.